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Iowa Zip Codes
| Zip Code | Primary City | State Code | Primary County | Timezone | Type | Population |
|---|---|---|---|---|---|---|
| 50023 | Ankeny | IA | Polk County | America/Chicago | STANDARD | 45,286 |
| 50613 | Cedar Falls | IA | Black Hawk County | America/Chicago | STANDARD | 43,680 |
| 52402 | Cedar Rapids | IA | Linn County | America/Chicago | STANDARD | 43,076 |
| 52001 | Dubuque | IA | Dubuque County | America/Chicago | STANDARD | 43,064 |
| 52302 | Marion | IA | Linn County | America/Chicago | STANDARD | 42,732 |
| 52404 | Cedar Rapids | IA | Linn County | America/Chicago | STANDARD | 42,582 |
| 52722 | Bettendorf | IA | Scott County | America/Chicago | STANDARD | 40,878 |
| 51503 | Council Bluffs | IA | Pottawattamie County | America/Chicago | STANDARD | 37,411 |
| 50266 | West Des Moines | IA | Dallas County | America/Chicago | STANDARD | 36,770 |
| 50317 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 36,721 |
| 52240 | Iowa City | IA | Johnson County | America/Chicago | STANDARD | 36,046 |
| 50315 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 35,349 |
| 51501 | Council Bluffs | IA | Pottawattamie County | America/Chicago | STANDARD | 34,928 |
| 50010 | Ames | IA | Story County | America/Chicago | STANDARD | 33,428 |
| 50265 | West Des Moines | IA | Polk County | America/Chicago | STANDARD | 33,061 |
| 50322 | Urbandale | IA | Polk County | America/Chicago | STANDARD | 31,694 |
| 50014 | Ames | IA | Story County | America/Chicago | STANDARD | 31,429 |
| 50310 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 31,283 |
| 50158 | Marshalltown | IA | Marshall County | America/Chicago | STANDARD | 31,163 |
| 52501 | Ottumwa | IA | Wapello County | America/Chicago | STANDARD | 30,341 |
| 52761 | Muscatine | IA | Muscatine County | America/Chicago | STANDARD | 29,800 |
| 50701 | Waterloo | IA | Black Hawk County | America/Chicago | STANDARD | 29,745 |
| 50021 | Ankeny | IA | Polk County | America/Chicago | STANDARD | 29,718 |
| 50401 | Mason City | IA | Cerro Gordo County | America/Chicago | STANDARD | 28,818 |
| 50501 | Fort Dodge | IA | Webster County | America/Chicago | STANDARD | 28,633 |
| 51106 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 28,381 |
| 52806 | Davenport | IA | Scott County | America/Chicago | STANDARD | 27,695 |
| 50263 | Waukee | IA | Dallas County | America/Chicago | STANDARD | 27,560 |
| 52601 | Burlington | IA | Des Moines County | America/Chicago | STANDARD | 27,465 |
| 52804 | Davenport | IA | Scott County | America/Chicago | STANDARD | 27,023 |
| 52732 | Clinton | IA | Clinton County | America/Chicago | STANDARD | 26,004 |
| 52405 | Cedar Rapids | IA | Linn County | America/Chicago | STANDARD | 25,889 |
| 50131 | Johnston | IA | Polk County | America/Chicago | STANDARD | 24,388 |
| 50320 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 23,903 |
| 52403 | Cedar Rapids | IA | Linn County | America/Chicago | STANDARD | 23,023 |
| 52241 | Coralville | IA | Johnson County | America/Chicago | STANDARD | 22,846 |
| 51104 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 22,792 |
| 52245 | Iowa City | IA | Johnson County | America/Chicago | STANDARD | 22,765 |
| 52317 | North Liberty | IA | Johnson County | America/Chicago | STANDARD | 22,392 |
| 50009 | Altoona | IA | Polk County | America/Chicago | STANDARD | 21,992 |
| 52246 | Iowa City | IA | Johnson County | America/Chicago | STANDARD | 21,944 |
| 52803 | Davenport | IA | Scott County | America/Chicago | STANDARD | 21,868 |
| 50702 | Waterloo | IA | Black Hawk County | America/Chicago | STANDARD | 21,197 |
| 50208 | Newton | IA | Jasper County | America/Chicago | STANDARD | 20,270 |
| 50125 | Indianola | IA | Warren County | America/Chicago | STANDARD | 20,009 |
| 50325 | Clive | IA | Polk County | America/Chicago | STANDARD | 18,776 |
| 50703 | Waterloo | IA | Black Hawk County | America/Chicago | STANDARD | 18,397 |
| 50313 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 18,280 |
| 52002 | Dubuque | IA | Dubuque County | America/Chicago | STANDARD | 17,931 |
| 51103 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 17,145 |
| 50323 | Urbandale | IA | Dallas County | America/Chicago | STANDARD | 17,065 |
| 50036 | Boone | IA | Boone County | America/Chicago | STANDARD | 16,318 |
| 50111 | Grimes | IA | Polk County | America/Chicago | STANDARD | 16,254 |
| 50211 | Norwalk | IA | Warren County | America/Chicago | STANDARD | 16,222 |
| 50316 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 16,188 |
| 52807 | Davenport | IA | Scott County | America/Chicago | STANDARD | 15,895 |
| 50311 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 15,889 |
| 50312 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 15,492 |
| 52577 | Oskaloosa | IA | Mahaska County | America/Chicago | STANDARD | 14,336 |
| 50219 | Pella | IA | Marion County | America/Chicago | STANDARD | 14,267 |
| 52003 | Dubuque | IA | Dubuque County | America/Chicago | STANDARD | 13,735 |
| 50588 | Storm Lake | IA | Buena Vista County | America/Chicago | STANDARD | 13,346 |
| 50327 | Pleasant Hill | IA | Polk County | America/Chicago | STANDARD | 12,875 |
| 52641 | Mount Pleasant | IA | Henry County | America/Chicago | STANDARD | 12,796 |
| 51031 | Le Mars | IA | Plymouth County | America/Chicago | STANDARD | 12,785 |
| 50677 | Waverly | IA | Bremer County | America/Chicago | STANDARD | 12,655 |
| 52627 | Fort Madison | IA | Lee County | America/Chicago | STANDARD | 12,585 |
| 52101 | Decorah | IA | Winneshiek County | America/Chicago | STANDARD | 12,539 |
| 51301 | Spencer | IA | Clay County | America/Chicago | STANDARD | 12,402 |
| 51401 | Carroll | IA | Carroll County | America/Chicago | STANDARD | 12,113 |
| 52632 | Keokuk | IA | Lee County | America/Chicago | STANDARD | 11,904 |
| 50112 | Grinnell | IA | Poweshiek County | America/Chicago | STANDARD | 11,776 |
| 52556 | Fairfield | IA | Jefferson County | America/Chicago | STANDARD | 11,586 |
| 50138 | Knoxville | IA | Marion County | America/Chicago | STANDARD | 11,374 |
| 51105 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 10,726 |
| 50314 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 10,203 |
| 52748 | Eldridge | IA | Scott County | America/Chicago | STANDARD | 9,890 |
| 51250 | Sioux Center | IA | Sioux County | America/Chicago | STANDARD | 9,887 |
| 50035 | Bondurant | IA | Polk County | America/Chicago | STANDARD | 9,668 |
| 51442 | Denison | IA | Crawford County | America/Chicago | STANDARD | 9,586 |
| 50003 | Adel | IA | Dallas County | America/Chicago | STANDARD | 9,536 |
| 50616 | Charles City | IA | Floyd County | America/Chicago | STANDARD | 9,419 |
| 52802 | Davenport | IA | Scott County | America/Chicago | STANDARD | 9,392 |
| 50220 | Perry | IA | Dallas County | America/Chicago | STANDARD | 9,251 |
| 51534 | Glenwood | IA | Mills County | America/Chicago | STANDARD | 9,238 |
| 50309 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 9,199 |
| 50273 | Winterset | IA | Madison County | America/Chicago | STANDARD | 9,123 |
| 50428 | Clear Lake | IA | Cerro Gordo County | America/Chicago | STANDARD | 9,093 |
| 52353 | Washington | IA | Washington County | America/Chicago | STANDARD | 9,072 |
| 50801 | Creston | IA | Union County | America/Chicago | STANDARD | 9,027 |
| 50595 | Webster City | IA | Hamilton County | America/Chicago | STANDARD | 8,768 |
| 52205 | Anamosa | IA | Jones County | America/Chicago | STANDARD | 8,670 |
| 51360 | Spirit Lake | IA | Dickinson County | America/Chicago | STANDARD | 8,561 |
| 50644 | Independence | IA | Buchanan County | America/Chicago | STANDARD | 8,475 |
| 50022 | Atlantic | IA | Cass County | America/Chicago | STANDARD | 8,472 |
| 52411 | Cedar Rapids | IA | Linn County | America/Chicago | STANDARD | 8,357 |
| 50201 | Nevada | IA | Story County | America/Chicago | STANDARD | 8,301 |
| 52060 | Maquoketa | IA | Jackson County | America/Chicago | STANDARD | 8,139 |
| 52544 | Centerville | IA | Appanoose County | America/Chicago | STANDARD | 8,110 |
| 52057 | Manchester | IA | Delaware County | America/Chicago | STANDARD | 7,883 |
| 50321 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 7,787 |
| 52349 | Vinton | IA | Benton County | America/Chicago | STANDARD | 7,745 |
| 52333 | Solon | IA | Johnson County | America/Chicago | STANDARD | 7,443 |
| 50213 | Osceola | IA | Clarke County | America/Chicago | STANDARD | 7,441 |
| 52742 | De Witt | IA | Clinton County | America/Chicago | STANDARD | 7,410 |
| 50707 | Evansdale | IA | Black Hawk County | America/Chicago | STANDARD | 7,407 |
| 50226 | Polk City | IA | Polk County | America/Chicago | STANDARD | 7,290 |
| 51041 | Orange City | IA | Sioux County | America/Chicago | STANDARD | 7,173 |
| 52537 | Bloomfield | IA | Davis County | America/Chicago | STANDARD | 7,012 |
| 52233 | Hiawatha | IA | Linn County | America/Chicago | STANDARD | 7,008 |
| 51566 | Red Oak | IA | Montgomery County | America/Chicago | STANDARD | 7,004 |
| 50511 | Algona | IA | Kossuth County | America/Chicago | STANDARD | 6,987 |
| 51334 | Estherville | IA | Emmet County | America/Chicago | STANDARD | 6,827 |
| 51632 | Clarinda | IA | Page County | America/Chicago | STANDARD | 6,682 |
| 50047 | Carlisle | IA | Warren County | America/Chicago | STANDARD | 6,625 |
| 50662 | Oelwein | IA | Fayette County | America/Chicago | STANDARD | 6,497 |
| 51537 | Harlan | IA | Shelby County | America/Chicago | STANDARD | 6,480 |
| 50049 | Chariton | IA | Lucas County | America/Chicago | STANDARD | 6,425 |
| 52310 | Monticello | IA | Jones County | America/Chicago | STANDARD | 6,384 |
| 50126 | Iowa Falls | IA | Hardin County | America/Chicago | STANDARD | 6,362 |
| 51012 | Cherokee | IA | Cherokee County | America/Chicago | STANDARD | 6,313 |
| 51201 | Sheldon | IA | O’Brien County | America/Chicago | STANDARD | 6,226 |
| 52753 | Le Claire | IA | Scott County | America/Chicago | STANDARD | 6,111 |
| 52314 | Mount Vernon | IA | Linn County | America/Chicago | STANDARD | 6,048 |
| 52172 | Waukon | IA | Allamakee County | America/Chicago | STANDARD | 5,986 |
| 50659 | New Hampton | IA | Chickasaw County | America/Chicago | STANDARD | 5,942 |
| 52531 | Albia | IA | Monroe County | America/Chicago | STANDARD | 5,885 |
| 52136 | Cresco | IA | Howard County | America/Chicago | STANDARD | 5,763 |
| 50436 | Forest City | IA | Winnebago County | America/Chicago | STANDARD | 5,760 |
| 52340 | Tiffin | IA | Johnson County | America/Chicago | STANDARD | 5,695 |
| 51108 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 5,637 |
| 51054 | Sergeant Bluff | IA | Woodbury County | America/Chicago | STANDARD | 5,596 |
| 51601 | Shenandoah | IA | Page County | America/Chicago | STANDARD | 5,562 |
| 52040 | Dyersville | IA | Dubuque County | America/Chicago | STANDARD | 5,508 |
| 52031 | Bellevue | IA | Jackson County | America/Chicago | STANDARD | 5,490 |
| 50548 | Humboldt | IA | Humboldt County | America/Chicago | STANDARD | 5,482 |
| 50441 | Hampton | IA | Franklin County | America/Chicago | STANDARD | 5,363 |
| 52247 | Kalona | IA | Washington County | America/Chicago | STANDARD | 5,301 |
| 52772 | Tipton | IA | Cedar County | America/Chicago | STANDARD | 5,186 |
| 50324 | Windsor Heights | IA | Polk County | America/Chicago | STANDARD | 5,171 |
| 50129 | Jefferson | IA | Greene County | America/Chicago | STANDARD | 5,116 |
| 50461 | Osage | IA | Mitchell County | America/Chicago | STANDARD | 5,094 |
| 51247 | Rock Valley | IA | Sioux County | America/Chicago | STANDARD | 5,028 |
| 52776 | West Liberty | IA | Muscatine County | America/Chicago | STANDARD | 5,023 |
| 52730 | Camanche | IA | Clinton County | America/Chicago | STANDARD | 4,993 |
| 51351 | Milford | IA | Dickinson County | America/Chicago | STANDARD | 4,990 |
| 52726 | Blue Grass | IA | Scott County | America/Chicago | STANDARD | 4,941 |
| 51555 | Missouri Valley | IA | Harrison County | America/Chicago | STANDARD | 4,881 |
| 52361 | Williamsburg | IA | Iowa County | America/Chicago | STANDARD | 4,781 |
| 50124 | Huxley | IA | Story County | America/Chicago | STANDARD | 4,730 |
| 52068 | Peosta | IA | Dubuque County | America/Chicago | STANDARD | 4,582 |
| 52242 | Iowa City | IA | Johnson County | America/Chicago | STANDARD | 4,412 |
| 50156 | Madrid | IA | Boone County | America/Chicago | STANDARD | 4,407 |
| 52339 | Tama | IA | Tama County | America/Chicago | STANDARD | 4,311 |
| 50248 | Story City | IA | Story County | America/Chicago | STANDARD | 4,300 |
| 52655 | West Burlington | IA | Des Moines County | America/Chicago | STANDARD | 4,300 |
| 50536 | Emmetsburg | IA | Palo Alto County | America/Chicago | STANDARD | 4,287 |
| 50013 | Ames | IA | Story County | America/Chicago | UNIQUE | 4,248 |
| 50648 | Jesup | IA | Buchanan County | America/Chicago | STANDARD | 4,120 |
| 51246 | Rock Rapids | IA | Lyon County | America/Chicago | STANDARD | 4,075 |
| 52301 | Marengo | IA | Iowa County | America/Chicago | STANDARD | 4,046 |
| 50438 | Garner | IA | Hancock County | America/Chicago | STANDARD | 4,006 |
| 50533 | Eagle Grove | IA | Wright County | America/Chicago | STANDARD | 3,994 |
| 52213 | Center Point | IA | Linn County | America/Chicago | STANDARD | 3,977 |
| 52338 | Swisher | IA | Johnson County | America/Chicago | STANDARD | 3,865 |
| 52228 | Fairfax | IA | Linn County | America/Chicago | STANDARD | 3,865 |
| 51510 | Carter Lake | IA | Pottawattamie County | America/Chicago | STANDARD | 3,773 |
| 52358 | West Branch | IA | Cedar County | America/Chicago | STANDARD | 3,752 |
| 51109 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 3,731 |
| 52327 | Riverside | IA | Washington County | America/Chicago | STANDARD | 3,722 |
| 52778 | Wilton | IA | Muscatine County | America/Chicago | STANDARD | 3,677 |
| 50674 | Sumner | IA | Bremer County | America/Chicago | STANDARD | 3,596 |
| 51249 | Sibley | IA | Osceola County | America/Chicago | STANDARD | 3,588 |
| 52033 | Cascade | IA | Dubuque County | America/Chicago | STANDARD | 3,581 |
| 52162 | Postville | IA | Allamakee County | America/Chicago | STANDARD | 3,576 |
| 50169 | Mitchellville | IA | Polk County | America/Chicago | STANDARD | 3,532 |
| 50638 | Grundy Center | IA | Grundy County | America/Chicago | STANDARD | 3,474 |
| 52645 | New London | IA | Henry County | America/Chicago | STANDARD | 3,472 |
| 51023 | Hawarden | IA | Sioux County | America/Chicago | STANDARD | 3,437 |
| 50627 | Eldora | IA | Hardin County | America/Chicago | STANDARD | 3,431 |
| 50225 | Pleasantville | IA | Marion County | America/Chicago | STANDARD | 3,396 |
| 52738 | Columbus Junction | IA | Louisa County | America/Chicago | STANDARD | 3,389 |
| 51040 | Onawa | IA | Monona County | America/Chicago | STANDARD | 3,388 |
| 50109 | Granger | IA | Polk County | America/Chicago | STANDARD | 3,371 |
| 50651 | La Porte City | IA | Black Hawk County | America/Chicago | STANDARD | 3,349 |
| 52175 | West Union | IA | Fayette County | America/Chicago | STANDARD | 3,300 |
| 50622 | Denver | IA | Bremer County | America/Chicago | STANDARD | 3,288 |
| 50237 | Runnells | IA | Polk County | America/Chicago | STANDARD | 3,275 |
| 52653 | Wapello | IA | Louisa County | America/Chicago | STANDARD | 3,203 |
| 50525 | Clarion | IA | Wright County | America/Chicago | STANDARD | 3,196 |
| 50054 | Colfax | IA | Jasper County | America/Chicago | STANDARD | 3,179 |
| 50579 | Rockwell City | IA | Calhoun County | America/Chicago | STANDARD | 3,176 |
| 50421 | Belmond | IA | Wright County | America/Chicago | STANDARD | 3,142 |
| 51546 | Logan | IA | Harrison County | America/Chicago | STANDARD | 3,113 |
| 50212 | Ogden | IA | Boone County | America/Chicago | STANDARD | 3,109 |
| 50261 | Van Meter | IA | Dallas County | America/Chicago | STANDARD | 3,105 |
| 50643 | Hudson | IA | Black Hawk County | America/Chicago | STANDARD | 3,081 |
| 52637 | Mediapolis | IA | Des Moines County | America/Chicago | STANDARD | 3,054 |
| 50459 | Northwood | IA | Worth County | America/Chicago | STANDARD | 3,027 |
| 50450 | Lake Mills | IA | Winnebago County | America/Chicago | STANDARD | 3,001 |
| 51239 | Hull | IA | Sioux County | America/Chicago | STANDARD | 2,947 |
| 52208 | Belle Plaine | IA | Benton County | America/Chicago | STANDARD | 2,921 |
| 50170 | Monroe | IA | Jasper County | America/Chicago | STANDARD | 2,914 |
| 51050 | Remsen | IA | Plymouth County | America/Chicago | STANDARD | 2,909 |
| 52342 | Toledo | IA | Tama County | America/Chicago | STANDARD | 2,898 |
| 50025 | Audubon | IA | Audubon County | America/Chicago | STANDARD | 2,893 |
| 52045 | Epworth | IA | Dubuque County | America/Chicago | STANDARD | 2,872 |
| 51002 | Alta | IA | Buena Vista County | America/Chicago | STANDARD | 2,866 |
| 52227 | Ely | IA | Linn County | America/Chicago | STANDARD | 2,864 |
| 52328 | Robins | IA | Linn County | America/Chicago | STANDARD | 2,861 |
| 51039 | Moville | IA | Woodbury County | America/Chicago | STANDARD | 2,831 |
| 50140 | Lamoni | IA | Decatur County | America/Chicago | STANDARD | 2,817 |
| 50216 | Panora | IA | Guthrie County | America/Chicago | STANDARD | 2,809 |
| 52052 | Guttenberg | IA | Clayton County | America/Chicago | STANDARD | 2,807 |
| 50072 | Earlham | IA | Madison County | America/Chicago | STANDARD | 2,787 |
| 52214 | Central City | IA | Linn County | America/Chicago | STANDARD | 2,770 |
| 52206 | Atkins | IA | Benton County | America/Chicago | STANDARD | 2,759 |
| 52356 | Wellman | IA | Washington County | America/Chicago | STANDARD | 2,754 |
| 50115 | Guthrie Center | IA | Guthrie County | America/Chicago | STANDARD | 2,741 |
| 50144 | Leon | IA | Decatur County | America/Chicago | STANDARD | 2,715 |
| 52211 | Brooklyn | IA | Poweshiek County | America/Chicago | STANDARD | 2,671 |
| 52773 | Walcott | IA | Scott County | America/Chicago | STANDARD | 2,668 |
| 50250 | Stuart | IA | Guthrie County | America/Chicago | STANDARD | 2,652 |
| 52591 | Sigourney | IA | Keokuk County | America/Chicago | STANDARD | 2,646 |
| 52046 | Farley | IA | Dubuque County | America/Chicago | STANDARD | 2,628 |
| 50063 | Dallas Center | IA | Dallas County | America/Chicago | STANDARD | 2,623 |
| 52253 | Lisbon | IA | Linn County | America/Chicago | STANDARD | 2,593 |
| 50472 | Saint Ansgar | IA | Mitchell County | America/Chicago | STANDARD | 2,577 |
| 50665 | Parkersburg | IA | Butler County | America/Chicago | STANDARD | 2,518 |
| 52159 | Monona | IA | Clayton County | America/Chicago | STANDARD | 2,488 |
| 51445 | Ida Grove | IA | Ida County | America/Chicago | STANDARD | 2,464 |
| 50563 | Manson | IA | Calhoun County | America/Chicago | STANDARD | 2,461 |
| 52336 | Springville | IA | Linn County | America/Chicago | STANDARD | 2,459 |
| 50669 | Reinbeck | IA | Grundy County | America/Chicago | STANDARD | 2,447 |
| 50171 | Montezuma | IA | Poweshiek County | America/Chicago | STANDARD | 2,445 |
| 50658 | Nashua | IA | Chickasaw County | America/Chicago | STANDARD | 2,432 |
| 50849 | Greenfield | IA | Adair County | America/Chicago | STANDARD | 2,427 |
| 50841 | Corning | IA | Adams County | America/Chicago | STANDARD | 2,427 |
| 50423 | Britt | IA | Hancock County | America/Chicago | STANDARD | 2,401 |
| 50060 | Corydon | IA | Wayne County | America/Chicago | STANDARD | 2,385 |
| 50276 | Woodward | IA | Dallas County | America/Chicago | STANDARD | 2,380 |
| 50670 | Shell Rock | IA | Butler County | America/Chicago | STANDARD | 2,379 |
| 50601 | Ackley | IA | Hardin County | America/Chicago | STANDARD | 2,377 |
| 50207 | New Sharon | IA | Mahaska County | America/Chicago | STANDARD | 2,360 |
| 50228 | Prairie City | IA | Jasper County | America/Chicago | STANDARD | 2,345 |
| 50629 | Fairbank | IA | Buchanan County | America/Chicago | STANDARD | 2,335 |
| 50061 | Cumming | IA | Warren County | America/Chicago | STANDARD | 2,327 |
| 50675 | Traer | IA | Tama County | America/Chicago | STANDARD | 2,323 |
| 52203 | Amana | IA | Iowa County | America/Chicago | STANDARD | 2,315 |
| 50854 | Mount Ayr | IA | Ringgold County | America/Chicago | STANDARD | 2,304 |
| 52625 | Donnellson | IA | Lee County | America/Chicago | STANDARD | 2,303 |
| 51455 | Manning | IA | Carroll County | America/Chicago | STANDARD | 2,303 |
| 50240 | Saint Charles | IA | Madison County | America/Chicago | STANDARD | 2,299 |
| 51001 | Akron | IA | Plymouth County | America/Chicago | STANDARD | 2,292 |
| 50583 | Sac City | IA | Sac County | America/Chicago | STANDARD | 2,286 |
| 50458 | Nora Springs | IA | Floyd County | America/Chicago | STANDARD | 2,242 |
| 52076 | Strawberry Point | IA | Clayton County | America/Chicago | STANDARD | 2,231 |
| 51346 | Hartley | IA | O’Brien County | America/Chicago | STANDARD | 2,211 |
| 52755 | Lone Tree | IA | Johnson County | America/Chicago | STANDARD | 2,210 |
| 51579 | Woodbine | IA | Harrison County | America/Chicago | STANDARD | 2,205 |
| 50247 | State Center | IA | Marshall County | America/Chicago | STANDARD | 2,198 |
| 52401 | Cedar Rapids | IA | Linn County | America/Chicago | STANDARD | 2,192 |
| 50851 | Lenox | IA | Taylor County | America/Chicago | STANDARD | 2,145 |
| 50636 | Greene | IA | Butler County | America/Chicago | STANDARD | 2,141 |
| 50676 | Tripoli | IA | Bremer County | America/Chicago | STANDARD | 2,128 |
| 50619 | Clarksville | IA | Butler County | America/Chicago | STANDARD | 2,123 |
| 50574 | Pocahontas | IA | Pocahontas County | America/Chicago | STANDARD | 2,103 |
| 52656 | West Point | IA | Lee County | America/Chicago | STANDARD | 2,099 |
| 52747 | Durant | IA | Cedar County | America/Chicago | STANDARD | 2,098 |
| 50466 | Riceville | IA | Mitchell County | America/Chicago | STANDARD | 2,089 |
| 50833 | Bedford | IA | Taylor County | America/Chicago | STANDARD | 2,085 |
| 50166 | Milo | IA | Warren County | America/Chicago | STANDARD | 2,083 |
| 50161 | Maxwell | IA | Story County | America/Chicago | STANDARD | 2,081 |
| 50647 | Janesville | IA | Bremer County | America/Chicago | STANDARD | 2,073 |
| 51241 | Larchwood | IA | Lyon County | America/Chicago | STANDARD | 2,052 |
| 51024 | Hinton | IA | Plymouth County | America/Chicago | STANDARD | 2,048 |
| 51028 | Kingsley | IA | Plymouth County | America/Chicago | STANDARD | 2,047 |
| 51529 | Dunlap | IA | Harrison County | America/Chicago | STANDARD | 2,026 |
| 52322 | Oxford | IA | Johnson County | America/Chicago | STANDARD | 1,997 |
| 52142 | Fayette | IA | Fayette County | America/Chicago | STANDARD | 1,992 |
| 52151 | Lansing | IA | Allamakee County | America/Chicago | STANDARD | 1,956 |
| 52324 | Palo | IA | Linn County | America/Chicago | STANDARD | 1,955 |
| 52224 | Dysart | IA | Tama County | America/Chicago | STANDARD | 1,954 |
| 51449 | Lake City | IA | Calhoun County | America/Chicago | STANDARD | 1,951 |
| 50012 | Ames | IA | Story County | America/Chicago | UNIQUE | 1,950 |
| 51521 | Avoca | IA | Pottawattamie County | America/Chicago | STANDARD | 1,935 |
| 50830 | Afton | IA | Union County | America/Chicago | STANDARD | 1,934 |
| 50028 | Baxter | IA | Jasper County | America/Chicago | STANDARD | 1,930 |
| 52623 | Danville | IA | Des Moines County | America/Chicago | STANDARD | 1,914 |
| 52352 | Walker | IA | Linn County | America/Chicago | STANDARD | 1,906 |
| 51560 | Oakland | IA | Pottawattamie County | America/Chicago | STANDARD | 1,902 |
| 52042 | Edgewood | IA | Clayton County | America/Chicago | STANDARD | 1,898 |
| 51559 | Neola | IA | Pottawattamie County | America/Chicago | STANDARD | 1,896 |
| 51576 | Underwood | IA | Pottawattamie County | America/Chicago | STANDARD | 1,890 |
| 52654 | Wayland | IA | Henry County | America/Chicago | STANDARD | 1,886 |
| 50058 | Coon Rapids | IA | Carroll County | America/Chicago | STANDARD | 1,885 |
| 51025 | Holstein | IA | Ida County | America/Chicago | STANDARD | 1,881 |
| 51551 | Malvern | IA | Mills County | America/Chicago | STANDARD | 1,877 |
| 52553 | Eddyville | IA | Wapello County | America/Chicago | STANDARD | 1,871 |
| 52565 | Keosauqua | IA | Van Buren County | America/Chicago | STANDARD | 1,868 |
| 50244 | Slater | IA | Story County | America/Chicago | STANDARD | 1,866 |
| 52132 | Calmar | IA | Winneshiek County | America/Chicago | STANDARD | 1,856 |
| 52043 | Elkader | IA | Clayton County | America/Chicago | STANDARD | 1,853 |
| 51034 | Mapleton | IA | Monona County | America/Chicago | STANDARD | 1,844 |
| 51240 | Inwood | IA | Lyon County | America/Chicago | STANDARD | 1,842 |
| 52563 | Hedrick | IA | Keokuk County | America/Chicago | STANDARD | 1,824 |
| 51003 | Alton | IA | Sioux County | America/Chicago | STANDARD | 1,815 |
| 52041 | Earlville | IA | Delaware County | America/Chicago | STANDARD | 1,796 |
| 50135 | Kellogg | IA | Jasper County | America/Chicago | STANDARD | 1,777 |
| 51535 | Griswold | IA | Cass County | America/Chicago | STANDARD | 1,768 |
| 50456 | Manly | IA | Worth County | America/Chicago | STANDARD | 1,758 |
| 50604 | Aplington | IA | Butler County | America/Chicago | STANDARD | 1,713 |
| 51575 | Treynor | IA | Pottawattamie County | America/Chicago | STANDARD | 1,707 |
| 52218 | Coggon | IA | Linn County | America/Chicago | STANDARD | 1,700 |
| 50682 | Winthrop | IA | Buchanan County | America/Chicago | STANDARD | 1,700 |
| 50236 | Roland | IA | Story County | America/Chicago | STANDARD | 1,699 |
| 50046 | Cambridge | IA | Story County | America/Chicago | STANDARD | 1,696 |
| 51526 | Crescent | IA | Pottawattamie County | America/Chicago | STANDARD | 1,694 |
| 52756 | Long Grove | IA | Scott County | America/Chicago | STANDARD | 1,693 |
| 52801 | Davenport | IA | Scott County | America/Chicago | STANDARD | 1,670 |
| 50641 | Hazleton | IA | Buchanan County | America/Chicago | STANDARD | 1,665 |
| 50624 | Dike | IA | Grundy County | America/Chicago | STANDARD | 1,664 |
| 51035 | Marcus | IA | Cherokee County | America/Chicago | STANDARD | 1,664 |
| 51248 | Sanborn | IA | O’Brien County | America/Chicago | STANDARD | 1,643 |
| 50554 | Laurens | IA | Pocahontas County | America/Chicago | STANDARD | 1,639 |
| 52332 | Shellsburg | IA | Benton County | America/Chicago | STANDARD | 1,638 |
| 51577 | Walnut | IA | Pottawattamie County | America/Chicago | STANDARD | 1,637 |
| 52345 | Urbana | IA | Benton County | America/Chicago | STANDARD | 1,636 |
| 51030 | Lawton | IA | Woodbury County | America/Chicago | STANDARD | 1,630 |
| 50864 | Villisca | IA | Montgomery County | America/Chicago | STANDARD | 1,627 |
| 52639 | Montrose | IA | Lee County | America/Chicago | STANDARD | 1,626 |
| 51443 | Glidden | IA | Carroll County | America/Chicago | STANDARD | 1,623 |
| 52316 | North English | IA | Iowa County | America/Chicago | STANDARD | 1,621 |
| 50468 | Rockford | IA | Floyd County | America/Chicago | STANDARD | 1,615 |
| 52069 | Preston | IA | Jackson County | America/Chicago | STANDARD | 1,605 |
| 50475 | Sheffield | IA | Franklin County | America/Chicago | STANDARD | 1,598 |
| 50621 | Conrad | IA | Grundy County | America/Chicago | STANDARD | 1,591 |
| 50424 | Buffalo Center | IA | Winnebago County | America/Chicago | STANDARD | 1,590 |
| 51237 | George | IA | Lyon County | America/Chicago | STANDARD | 1,577 |
| 52248 | Keota | IA | Keokuk County | America/Chicago | STANDARD | 1,572 |
| 52161 | Ossian | IA | Winneshiek County | America/Chicago | STANDARD | 1,558 |
| 51652 | Sidney | IA | Fremont County | America/Chicago | STANDARD | 1,551 |
| 51450 | Lake View | IA | Sac County | America/Chicago | STANDARD | 1,532 |
| 52237 | Hopkinton | IA | Delaware County | America/Chicago | STANDARD | 1,526 |
| 51347 | Lake Park | IA | Dickinson County | America/Chicago | STANDARD | 1,524 |
| 50002 | Adair | IA | Adair County | America/Chicago | STANDARD | 1,522 |
| 50130 | Jewell | IA | Hamilton County | America/Chicago | STANDARD | 1,517 |
| 52571 | Moravia | IA | Appanoose County | America/Chicago | STANDARD | 1,516 |
| 52216 | Clarence | IA | Cedar County | America/Chicago | STANDARD | 1,513 |
| 51038 | Merrill | IA | Plymouth County | America/Chicago | STANDARD | 1,512 |
| 50006 | Alden | IA | Hardin County | America/Chicago | STANDARD | 1,503 |
| 50210 | New Virginia | IA | Warren County | America/Chicago | STANDARD | 1,503 |
| 50469 | Rockwell | IA | Cerro Gordo County | America/Chicago | STANDARD | 1,495 |
| 51238 | Hospers | IA | Sioux County | America/Chicago | STANDARD | 1,483 |
| 50251 | Sully | IA | Jasper County | America/Chicago | STANDARD | 1,481 |
| 50626 | Dunkerton | IA | Black Hawk County | America/Chicago | STANDARD | 1,478 |
| 50635 | Gladbrook | IA | Tama County | America/Chicago | STANDARD | 1,470 |
| 51005 | Aurelia | IA | Cherokee County | America/Chicago | STANDARD | 1,463 |
| 52306 | Mechanicsville | IA | Cedar County | America/Chicago | STANDARD | 1,452 |
| 51640 | Hamburg | IA | Fremont County | America/Chicago | STANDARD | 1,445 |
| 51027 | Ireton | IA | Sioux County | America/Chicago | STANDARD | 1,443 |
| 52590 | Seymour | IA | Wayne County | America/Chicago | STANDARD | 1,433 |
| 52754 | Letts | IA | Louisa County | America/Chicago | STANDARD | 1,430 |
| 52073 | Sherrill | IA | Dubuque County | America/Chicago | STANDARD | 1,410 |
| 51046 | Paullina | IA | O’Brien County | America/Chicago | STANDARD | 1,407 |
| 50543 | Gowrie | IA | Webster County | America/Chicago | STANDARD | 1,400 |
| 51454 | Manilla | IA | Crawford County | America/Chicago | STANDARD | 1,399 |
| 52659 | Winfield | IA | Henry County | America/Chicago | STANDARD | 1,393 |
| 51653 | Tabor | IA | Fremont County | America/Chicago | STANDARD | 1,390 |
| 50233 | Redfield | IA | Dallas County | America/Chicago | STANDARD | 1,385 |
| 50105 | Gilbert | IA | Story County | America/Chicago | STANDARD | 1,384 |
| 52157 | Mc Gregor | IA | Clayton County | America/Chicago | STANDARD | 1,379 |
| 50602 | Allison | IA | Butler County | America/Chicago | STANDARD | 1,372 |
| 52341 | Toddville | IA | Linn County | America/Chicago | STANDARD | 1,372 |
| 50070 | Dexter | IA | Dallas County | America/Chicago | STANDARD | 1,366 |
| 50568 | Newell | IA | Buena Vista County | America/Chicago | STANDARD | 1,364 |
| 50597 | West Bend | IA | Palo Alto County | America/Chicago | STANDARD | 1,363 |
| 52201 | Ainsworth | IA | Washington County | America/Chicago | STANDARD | 1,359 |
| 50076 | Exira | IA | Audubon County | America/Chicago | STANDARD | 1,356 |
| 50630 | Fredericksburg | IA | Chickasaw County | America/Chicago | STANDARD | 1,353 |
| 52347 | Victor | IA | Iowa County | America/Chicago | STANDARD | 1,351 |
| 51342 | Graettinger | IA | Palo Alto County | America/Chicago | STANDARD | 1,349 |
| 50122 | Hubbard | IA | Hardin County | America/Chicago | STANDARD | 1,348 |
| 52035 | Colesburg | IA | Delaware County | America/Chicago | STANDARD | 1,345 |
| 52049 | Garnavillo | IA | Clayton County | America/Chicago | STANDARD | 1,336 |
| 52777 | Wheatland | IA | Clinton County | America/Chicago | STANDARD | 1,335 |
| 52141 | Elgin | IA | Fayette County | America/Chicago | STANDARD | 1,321 |
| 52351 | Walford | IA | Benton County | America/Chicago | STANDARD | 1,318 |
| 50174 | Murray | IA | Clarke County | America/Chicago | STANDARD | 1,312 |
| 50628 | Elma | IA | Howard County | America/Chicago | STANDARD | 1,309 |
| 50645 | Ionia | IA | Chickasaw County | America/Chicago | STANDARD | 1,301 |
| 52315 | Newhall | IA | Benton County | America/Chicago | STANDARD | 1,296 |
| 51638 | Essex | IA | Page County | America/Chicago | STANDARD | 1,278 |
| 50020 | Anita | IA | Cass County | America/Chicago | STANDARD | 1,277 |
| 52032 | Bernard | IA | Dubuque County | America/Chicago | STANDARD | 1,277 |
| 51358 | Ruthven | IA | Palo Alto County | America/Chicago | STANDARD | 1,277 |
| 51245 | Primghar | IA | O’Brien County | America/Chicago | STANDARD | 1,264 |
| 52768 | Princeton | IA | Scott County | America/Chicago | STANDARD | 1,260 |
| 50249 | Stratford | IA | Hamilton County | America/Chicago | STANDARD | 1,256 |
| 51458 | Odebolt | IA | Sac County | America/Chicago | STANDARD | 1,255 |
| 50540 | Fonda | IA | Pocahontas County | America/Chicago | STANDARD | 1,253 |
| 52320 | Olin | IA | Jones County | America/Chicago | STANDARD | 1,243 |
| 50668 | Readlyn | IA | Bremer County | America/Chicago | STANDARD | 1,231 |
| 52202 | Alburnett | IA | Linn County | America/Chicago | STANDARD | 1,231 |
| 50846 | Fontanelle | IA | Adair County | America/Chicago | STANDARD | 1,223 |
| 52554 | Eldon | IA | Wapello County | America/Chicago | STANDARD | 1,221 |
| 50229 | Prole | IA | Warren County | America/Chicago | STANDARD | 1,204 |
| 50632 | Garwin | IA | Tama County | America/Chicago | STANDARD | 1,204 |
| 51430 | Arcadia | IA | Carroll County | America/Chicago | STANDARD | 1,204 |
| 52640 | Morning Sun | IA | Louisa County | America/Chicago | STANDARD | 1,201 |
| 51006 | Battle Creek | IA | Ida County | America/Chicago | STANDARD | 1,201 |
| 52746 | Donahue | IA | Scott County | America/Chicago | STANDARD | 1,198 |
| 50162 | Melbourne | IA | Marshall County | America/Chicago | STANDARD | 1,190 |
| 50514 | Armstrong | IA | Emmet County | America/Chicago | STANDARD | 1,190 |
| 51055 | Sloan | IA | Woodbury County | America/Chicago | STANDARD | 1,189 |
| 52330 | Ryan | IA | Delaware County | America/Chicago | STANDARD | 1,186 |
| 52155 | Lime Springs | IA | Howard County | America/Chicago | STANDARD | 1,181 |
| 51466 | Wall Lake | IA | Sac County | America/Chicago | STANDARD | 1,180 |
| 52561 | Fremont | IA | Mahaska County | America/Chicago | STANDARD | 1,179 |
| 52171 | Waucoma | IA | Fayette County | America/Chicago | STANDARD | 1,172 |
| 52223 | Delhi | IA | Delaware County | America/Chicago | STANDARD | 1,170 |
| 50585 | Sioux Rapids | IA | Buena Vista County | America/Chicago | STANDARD | 1,165 |
| 52053 | Holy Cross | IA | Dubuque County | America/Chicago | STANDARD | 1,160 |
| 50055 | Collins | IA | Story County | America/Chicago | STANDARD | 1,157 |
| 51235 | Doon | IA | Lyon County | America/Chicago | STANDARD | 1,152 |
| 52626 | Farmington | IA | Van Buren County | America/Chicago | STANDARD | 1,151 |
| 51461 | Schleswig | IA | Crawford County | America/Chicago | STANDARD | 1,150 |
| 51570 | Shelby | IA | Shelby County | America/Chicago | STANDARD | 1,131 |
| 52165 | Ridgeway | IA | Winneshiek County | America/Chicago | STANDARD | 1,125 |
| 50056 | Colo | IA | Story County | America/Chicago | STANDARD | 1,122 |
| 50106 | Gilman | IA | Marshall County | America/Chicago | STANDARD | 1,121 |
| 50530 | Dayton | IA | Webster County | America/Chicago | STANDARD | 1,119 |
| 51063 | Whiting | IA | Monona County | America/Chicago | STANDARD | 1,109 |
| 52749 | Fruitland | IA | Muscatine County | America/Chicago | STANDARD | 1,107 |
| 52249 | Keystone | IA | Benton County | America/Chicago | STANDARD | 1,106 |
| 52570 | Milton | IA | Van Buren County | America/Chicago | STANDARD | 1,104 |
| 52540 | Brighton | IA | Washington County | America/Chicago | STANDARD | 1,102 |
| 52255 | Lowden | IA | Cedar County | America/Chicago | STANDARD | 1,100 |
| 51016 | Correctionville | IA | Woodbury County | America/Chicago | STANDARD | 1,095 |
| 50660 | New Hartford | IA | Butler County | America/Chicago | STANDARD | 1,092 |
| 51234 | Boyden | IA | Sioux County | America/Chicago | STANDARD | 1,090 |
| 50238 | Russell | IA | Lucas County | America/Chicago | STANDARD | 1,089 |
| 50230 | Radcliffe | IA | Hardin County | America/Chicago | STANDARD | 1,083 |
| 50447 | Kanawha | IA | Hancock County | America/Chicago | STANDARD | 1,079 |
| 50680 | Wellsburg | IA | Grundy County | America/Chicago | STANDARD | 1,077 |
| 51101 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 1,077 |
| 52346 | Van Horne | IA | Benton County | America/Chicago | STANDARD | 1,070 |
| 51573 | Stanton | IA | Montgomery County | America/Chicago | STANDARD | 1,069 |
| 50139 | Lacona | IA | Warren County | America/Chicago | STANDARD | 1,058 |
| 51053 | Schaller | IA | Sac County | America/Chicago | STANDARD | 1,056 |
| 52144 | Fort Atkinson | IA | Winneshiek County | America/Chicago | STANDARD | 1,056 |
| 50510 | Albert City | IA | Buena Vista County | America/Chicago | STANDARD | 1,055 |
| 51052 | Salix | IA | Woodbury County | America/Chicago | STANDARD | 1,054 |
| 52318 | Norway | IA | Benton County | America/Chicago | STANDARD | 1,054 |
| 51026 | Hornick | IA | Woodbury County | America/Chicago | STANDARD | 1,050 |
| 52209 | Blairstown | IA | Benton County | America/Chicago | STANDARD | 1,043 |
| 50535 | Early | IA | Sac County | America/Chicago | STANDARD | 1,035 |
| 50541 | Gilmore City | IA | Humboldt County | America/Chicago | STANDARD | 1,035 |
| 51354 | Ocheyedan | IA | Osceola County | America/Chicago | STANDARD | 1,034 |
| 52533 | Batavia | IA | Jefferson County | America/Chicago | STANDARD | 1,030 |
| 52751 | Grand Mound | IA | Clinton County | America/Chicago | STANDARD | 1,027 |
| 50069 | De Soto | IA | Dallas County | America/Chicago | STANDARD | 1,024 |
| 50257 | Truro | IA | Madison County | America/Chicago | STANDARD | 1,022 |
| 51058 | Sutherland | IA | O’Brien County | America/Chicago | STANDARD | 1,020 |
| 50073 | Elkhart | IA | Polk County | America/Chicago | STANDARD | 1,018 |
| 52037 | Delmar | IA | Clinton County | America/Chicago | STANDARD | 1,014 |
| 51553 | Minden | IA | Pottawattamie County | America/Chicago | STANDARD | 1,007 |
| 52039 | Durango | IA | Dubuque County | America/Chicago | STANDARD | 1,005 |
| 50625 | Dumont | IA | Butler County | America/Chicago | STANDARD | 1,002 |
| 52254 | Lost Nation | IA | Clinton County | America/Chicago | STANDARD | 1,000 |
| 50268 | What Cheer | IA | Keokuk County | America/Chicago | STANDARD | 997 |
| 52070 | Sabula | IA | Jackson County | America/Chicago | STANDARD | 991 |
| 50452 | Latimer | IA | Franklin County | America/Chicago | STANDARD | 990 |
| 50118 | Hartford | IA | Warren County | America/Chicago | STANDARD | 989 |
| 50258 | Union | IA | Hardin County | America/Chicago | STANDARD | 989 |
| 52728 | Buffalo | IA | Scott County | America/Chicago | PO BOX | 987 |
| 51525 | Carson | IA | Pottawattamie County | America/Chicago | STANDARD | 977 |
| 52210 | Brandon | IA | Buchanan County | America/Chicago | STANDARD | 975 |
| 52720 | Atalissa | IA | Muscatine County | America/Chicago | STANDARD | 972 |
| 51022 | Granville | IA | Sioux County | America/Chicago | STANDARD | 966 |
| 52572 | Moulton | IA | Appanoose County | America/Chicago | STANDARD | 963 |
| 50044 | Bussey | IA | Marion County | America/Chicago | STANDARD | 948 |
| 51531 | Elk Horn | IA | Shelby County | America/Chicago | STANDARD | 943 |
| 51462 | Scranton | IA | Greene County | America/Chicago | STANDARD | 940 |
| 52530 | Agency | IA | Wapello County | America/Chicago | STANDARD | 939 |
| 52160 | New Albin | IA | Allamakee County | America/Chicago | STANDARD | 930 |
| 52362 | Wyoming | IA | Jones County | America/Chicago | STANDARD | 927 |
| 50598 | Whittemore | IA | Kossuth County | America/Chicago | STANDARD | 927 |
| 50480 | Titonka | IA | Kossuth County | America/Chicago | STANDARD | 926 |
| 51331 | Arnolds Park | IA | Dickinson County | America/Chicago | STANDARD | 920 |
| 51338 | Everly | IA | Clay County | America/Chicago | STANDARD | 912 |
| 52620 | Bonaparte | IA | Van Buren County | America/Chicago | STANDARD | 908 |
| 52658 | Wever | IA | Lee County | America/Chicago | STANDARD | 906 |
| 52147 | Hawkeye | IA | Fayette County | America/Chicago | STANDARD | 906 |
| 52760 | Moscow | IA | Muscatine County | America/Chicago | STANDARD | 902 |
| 50149 | Lorimor | IA | Union County | America/Chicago | STANDARD | 900 |
| 50517 | Bancroft | IA | Kossuth County | America/Chicago | STANDARD | 899 |
| 52235 | Hills | IA | Johnson County | America/Chicago | PO BOX | 892 |
| 51355 | Okoboji | IA | Dickinson County | America/Chicago | STANDARD | 892 |
| 52552 | Drakesville | IA | Davis County | America/Chicago | STANDARD | 891 |
| 50532 | Duncombe | IA | Webster County | America/Chicago | STANDARD | 889 |
| 50529 | Dakota City | IA | Humboldt County | America/Chicago | STANDARD | 887 |
| 51639 | Farragut | IA | Fremont County | America/Chicago | STANDARD | 884 |
| 52323 | Oxford Junction | IA | Jones County | America/Chicago | STANDARD | 879 |
| 52721 | Bennett | IA | Cedar County | America/Chicago | STANDARD | 874 |
| 50542 | Goldfield | IA | Wright County | America/Chicago | STANDARD | 873 |
| 52739 | Conesville | IA | Muscatine County | America/Chicago | STANDARD | 864 |
| 50123 | Humeston | IA | Wayne County | America/Chicago | STANDARD | 863 |
| 51571 | Silver City | IA | Mills County | America/Chicago | STANDARD | 858 |
| 51364 | Terril | IA | Dickinson County | America/Chicago | STANDARD | 855 |
| 50153 | Lynnville | IA | Jasper County | America/Chicago | STANDARD | 855 |
| 51004 | Anthon | IA | Woodbury County | America/Chicago | STANDARD | 853 |
| 52305 | Martelle | IA | Jones County | America/Chicago | STANDARD | 853 |
| 52585 | Richland | IA | Keokuk County | America/Chicago | STANDARD | 849 |
| 52649 | Salem | IA | Henry County | America/Chicago | STANDARD | 845 |
| 50667 | Raymond | IA | Black Hawk County | America/Chicago | STANDARD | 843 |
| 51544 | Lewis | IA | Cass County | America/Chicago | STANDARD | 843 |
| 52337 | Stanwood | IA | Cedar County | America/Chicago | STANDARD | 842 |
| 52229 | Garrison | IA | Benton County | America/Chicago | STANDARD | 841 |
| 51357 | Royal | IA | Clay County | America/Chicago | STANDARD | 841 |
| 52729 | Calamus | IA | Clinton County | America/Chicago | STANDARD | 834 |
| 50062 | Melcher Dallas | IA | Marion County | America/Chicago | STANDARD | 833 |
| 50606 | Arlington | IA | Fayette County | America/Chicago | STANDARD | 831 |
| 50005 | Albion | IA | Marshall County | America/Chicago | STANDARD | 830 |
| 50168 | Mingo | IA | Jasper County | America/Chicago | STANDARD | 829 |
| 51533 | Emerson | IA | Mills County | America/Chicago | STANDARD | 828 |
| 50150 | Lovilia | IA | Monroe County | America/Chicago | STANDARD | 827 |
| 52079 | Zwingle | IA | Jackson County | America/Chicago | STANDARD | 827 |
| 51542 | Honey Creek | IA | Pottawattamie County | America/Chicago | STANDARD | 824 |
| 50845 | Diagonal | IA | Ringgold County | America/Chicago | STANDARD | 820 |
| 52215 | Chelsea | IA | Tama County | America/Chicago | STANDARD | 819 |
| 50278 | Zearing | IA | Story County | America/Chicago | STANDARD | 819 |
| 50449 | Klemme | IA | Hancock County | America/Chicago | STANDARD | 816 |
| 52146 | Harpers Ferry | IA | Allamakee County | America/Chicago | STANDARD | 815 |
| 51436 | Breda | IA | Carroll County | America/Chicago | STANDARD | 815 |
| 52731 | Charlotte | IA | Clinton County | America/Chicago | STANDARD | 808 |
| 50858 | Orient | IA | Adair County | America/Chicago | STANDARD | 808 |
| 52078 | Worthington | IA | Dubuque County | America/Chicago | STANDARD | 805 |
| 50075 | Ellsworth | IA | Hamilton County | America/Chicago | STANDARD | 805 |
| 52156 | Luana | IA | Clayton County | America/Chicago | STANDARD | 795 |
| 50071 | Dows | IA | Wright County | America/Chicago | STANDARD | 793 |
| 50107 | Grand Junction | IA | Greene County | America/Chicago | STANDARD | 791 |
| 51557 | Mondamin | IA | Harrison County | America/Chicago | STANDARD | 788 |
| 50471 | Rudd | IA | Floyd County | America/Chicago | STANDARD | 786 |
| 51439 | Charter Oak | IA | Crawford County | America/Chicago | STANDARD | 785 |
| 50134 | Kelley | IA | Story County | America/Chicago | STANDARD | 783 |
| 50479 | Thornton | IA | Cerro Gordo County | America/Chicago | STANDARD | 783 |
| 52535 | Birmingham | IA | Van Buren County | America/Chicago | STANDARD | 781 |
| 50142 | Le Grand | IA | Marshall County | America/Chicago | PO BOX | 779 |
| 52635 | Lockridge | IA | Jefferson County | America/Chicago | STANDARD | 777 |
| 50853 | Massena | IA | Cass County | America/Chicago | STANDARD | 773 |
| 52766 | Nichols | IA | Muscatine County | America/Chicago | STANDARD | 772 |
| 52054 | La Motte | IA | Jackson County | America/Chicago | STANDARD | 769 |
| 50666 | Plainfield | IA | Bremer County | America/Chicago | STANDARD | 768 |
| 50435 | Floyd | IA | Floyd County | America/Chicago | STANDARD | 764 |
| 50008 | Allerton | IA | Wayne County | America/Chicago | STANDARD | 759 |
| 50050 | Churdan | IA | Greene County | America/Chicago | STANDARD | 758 |
| 50048 | Casey | IA | Guthrie County | America/Chicago | STANDARD | 754 |
| 51646 | New Market | IA | Taylor County | America/Chicago | STANDARD | 751 |
| 50581 | Rolfe | IA | Pocahontas County | America/Chicago | STANDARD | 751 |
| 52326 | Quasqueton | IA | Buchanan County | America/Chicago | STANDARD | 745 |
| 50558 | Livermore | IA | Humboldt County | America/Chicago | STANDARD | 745 |
| 51047 | Peterson | IA | Clay County | America/Chicago | STANDARD | 739 |
| 50634 | Gilbertville | IA | Black Hawk County | America/Chicago | PO BOX | 736 |
| 50557 | Lehigh | IA | Webster County | America/Chicago | STANDARD | 736 |
| 50590 | Swea City | IA | Kossuth County | America/Chicago | STANDARD | 736 |
| 52065 | New Vienna | IA | Dubuque County | America/Chicago | STANDARD | 729 |
| 52064 | Miles | IA | Jackson County | America/Chicago | STANDARD | 727 |
| 50560 | Lu Verne | IA | Kossuth County | America/Chicago | STANDARD | 722 |
| 51561 | Pacific Junction | IA | Mills County | America/Chicago | STANDARD | 716 |
| 52536 | Blakesburg | IA | Wapello County | America/Chicago | STANDARD | 713 |
| 50519 | Bode | IA | Humboldt County | America/Chicago | STANDARD | 713 |
| 51232 | Ashton | IA | Osceola County | America/Chicago | STANDARD | 713 |
| 50246 | Stanhope | IA | Hamilton County | America/Chicago | STANDARD | 711 |
| 52133 | Castalia | IA | Winneshiek County | America/Chicago | STANDARD | 711 |
| 51530 | Earling | IA | Shelby County | America/Chicago | STANDARD | 710 |
| 52624 | Denmark | IA | Lee County | America/Chicago | PO BOX | 709 |
| 51563 | Persia | IA | Harrison County | America/Chicago | STANDARD | 708 |
| 51243 | Little Rock | IA | Lyon County | America/Chicago | STANDARD | 702 |
| 50482 | Ventura | IA | Cerro Gordo County | America/Chicago | STANDARD | 701 |
| 50859 | Prescott | IA | Adams County | America/Chicago | STANDARD | 701 |
| 52047 | Farmersburg | IA | Clayton County | America/Chicago | STANDARD | 697 |
| 50522 | Burt | IA | Kossuth County | America/Chicago | STANDARD | 695 |
| 50151 | Lucas | IA | Lucas County | America/Chicago | STANDARD | 695 |
| 50655 | Maynard | IA | Fayette County | America/Chicago | STANDARD | 694 |
| 52072 | Saint Olaf | IA | Clayton County | America/Chicago | STANDARD | 694 |
| 52580 | Packwood | IA | Jefferson County | America/Chicago | STANDARD | 691 |
| 50478 | Thompson | IA | Winnebago County | America/Chicago | STANDARD | 689 |
| 52650 | Sperry | IA | Des Moines County | America/Chicago | STANDARD | 688 |
| 50157 | Malcom | IA | Poweshiek County | America/Chicago | STANDARD | 686 |
| 50516 | Badger | IA | Webster County | America/Chicago | STANDARD | 684 |
| 50214 | Otley | IA | Marion County | America/Chicago | STANDARD | 684 |
| 51558 | Moorhead | IA | Monona County | America/Chicago | STANDARD | 680 |
| 50483 | Wesley | IA | Kossuth County | America/Chicago | STANDARD | 678 |
| 50575 | Pomeroy | IA | Calhoun County | America/Chicago | STANDARD | 677 |
| 50164 | Menlo | IA | Guthrie County | America/Chicago | STANDARD | 677 |
| 50561 | Lytton | IA | Sac County | America/Chicago | STANDARD | 677 |
| 52329 | Rowley | IA | Buchanan County | America/Chicago | STANDARD | 677 |
| 52769 | Stockton | IA | Muscatine County | America/Chicago | STANDARD | 673 |
| 52551 | Douds | IA | Van Buren County | America/Chicago | STANDARD | 672 |
| 50163 | Melcher Dallas | IA | Marion County | America/Chicago | PO BOX | 669 |
| 51018 | Cushing | IA | Woodbury County | America/Chicago | STANDARD | 665 |
| 50650 | Lamont | IA | Buchanan County | America/Chicago | STANDARD | 664 |
| 50167 | Minburn | IA | Dallas County | America/Chicago | STANDARD | 662 |
| 50578 | Ringsted | IA | Emmet County | America/Chicago | STANDARD | 659 |
| 50460 | Orchard | IA | Mitchell County | America/Chicago | STANDARD | 659 |
| 50840 | Clearfield | IA | Taylor County | America/Chicago | STANDARD | 659 |
| 50232 | Reasnor | IA | Jasper County | America/Chicago | STANDARD | 656 |
| 52584 | Pulaski | IA | Davis County | America/Chicago | STANDARD | 650 |
| 51465 | Vail | IA | Crawford County | America/Chicago | STANDARD | 645 |
| 52222 | Deep River | IA | Poweshiek County | America/Chicago | STANDARD | 643 |
| 52135 | Clermont | IA | Fayette County | America/Chicago | STANDARD | 641 |
| 50173 | Montour | IA | Tama County | America/Chicago | STANDARD | 640 |
| 52154 | Lawler | IA | Chickasaw County | America/Chicago | STANDARD | 638 |
| 52550 | Delta | IA | Keokuk County | America/Chicago | STANDARD | 635 |
| 51532 | Elliott | IA | Montgomery County | America/Chicago | STANDARD | 629 |
| 50001 | Ackworth | IA | Warren County | America/Chicago | STANDARD | 626 |
| 51467 | Westside | IA | Crawford County | America/Chicago | STANDARD | 623 |
| 50032 | Berwick | IA | Polk County | America/Chicago | PO BOX | 622 |
| 50143 | Leighton | IA | Mahaska County | America/Chicago | STANDARD | 621 |
| 50256 | Tracy | IA | Marion County | America/Chicago | STANDARD | 620 |
| 52621 | Crawfordsville | IA | Washington County | America/Chicago | STANDARD | 620 |
| 50476 | Stacyville | IA | Mitchell County | America/Chicago | STANDARD | 619 |
| 51020 | Galva | IA | Ida County | America/Chicago | STANDARD | 615 |
| 52557 | Fairfield | IA | Jefferson County | America/Chicago | UNIQUE | 615 |
| 50569 | Otho | IA | Webster County | America/Chicago | STANDARD | 614 |
| 50523 | Callender | IA | Webster County | America/Chicago | STANDARD | 614 |
| 50448 | Kensett | IA | Worth County | America/Chicago | STANDARD | 613 |
| 50029 | Bayard | IA | Guthrie County | America/Chicago | STANDARD | 612 |
| 50275 | Woodburn | IA | Clarke County | America/Chicago | STANDARD | 611 |
| 52335 | South English | IA | Keokuk County | America/Chicago | STANDARD | 608 |
| 52595 | University Park | IA | Mahaska County | America/Chicago | PO BOX | 607 |
| 51528 | Dow City | IA | Crawford County | America/Chicago | STANDARD | 604 |
| 50271 | Williams | IA | Hamilton County | America/Chicago | STANDARD | 594 |
| 52594 | Unionville | IA | Appanoose County | America/Chicago | STANDARD | 590 |
| 51562 | Panama | IA | Shelby County | America/Chicago | STANDARD | 590 |
| 50133 | Kellerton | IA | Ringgold County | America/Chicago | STANDARD | 589 |
| 50160 | Martensdale | IA | Warren County | America/Chicago | STANDARD | 588 |
| 51007 | Bronson | IA | Woodbury County | America/Chicago | STANDARD | 581 |
| 52251 | Ladora | IA | Iowa County | America/Chicago | STANDARD | 581 |
| 50464 | Plymouth | IA | Cerro Gordo County | America/Chicago | STANDARD | 573 |
| 52750 | Goose Lake | IA | Clinton County | America/Chicago | STANDARD | 569 |
| 51433 | Auburn | IA | Sac County | America/Chicago | STANDARD | 567 |
| 51014 | Cleghorn | IA | Cherokee County | America/Chicago | STANDARD | 561 |
| 52619 | Argyle | IA | Lee County | America/Chicago | STANDARD | 559 |
| 52586 | Rose Hill | IA | Mahaska County | America/Chicago | STANDARD | 558 |
| 50544 | Harcourt | IA | Webster County | America/Chicago | STANDARD | 554 |
| 50642 | Holland | IA | Grundy County | America/Chicago | STANDARD | 554 |
| 52217 | Clutier | IA | Tama County | America/Chicago | STANDARD | 551 |
| 52549 | Cincinnati | IA | Appanoose County | America/Chicago | STANDARD | 547 |
| 51448 | Kiron | IA | Crawford County | America/Chicago | STANDARD | 547 |
| 51231 | Archer | IA | O’Brien County | America/Chicago | STANDARD | 543 |
| 52567 | Libertyville | IA | Jefferson County | America/Chicago | STANDARD | 542 |
| 52569 | Melrose | IA | Monroe County | America/Chicago | STANDARD | 541 |
| 50141 | Laurel | IA | Marshall County | America/Chicago | STANDARD | 537 |
| 52236 | Homestead | IA | Iowa County | America/Chicago | STANDARD | 533 |
| 50154 | Mc Callsburg | IA | Story County | America/Chicago | STANDARD | 532 |
| 52542 | Cantril | IA | Van Buren County | America/Chicago | STANDARD | 529 |
| 51060 | Ute | IA | Monona County | America/Chicago | STANDARD | 529 |
| 52170 | Waterville | IA | Allamakee County | America/Chicago | STANDARD | 527 |
| 50430 | Corwith | IA | Hancock County | America/Chicago | STANDARD | 524 |
| 50538 | Farnhamville | IA | Calhoun County | America/Chicago | STANDARD | 523 |
| 52038 | Dundee | IA | Delaware County | America/Chicago | STANDARD | 522 |
| 50453 | Leland | IA | Winnebago County | America/Chicago | STANDARD | 520 |
| 50146 | Linden | IA | Dallas County | America/Chicago | STANDARD | 519 |
| 50026 | Bagley | IA | Guthrie County | America/Chicago | STANDARD | 518 |
| 50446 | Joice | IA | Worth County | America/Chicago | STANDARD | 518 |
| 51230 | Alvord | IA | Lyon County | America/Chicago | STANDARD | 517 |
| 51564 | Pisgah | IA | Harrison County | America/Chicago | STANDARD | 512 |
| 50457 | Meservey | IA | Cerro Gordo County | America/Chicago | STANDARD | 504 |
| 51536 | Hancock | IA | Pottawattamie County | America/Chicago | STANDARD | 504 |
| 50120 | Haverhill | IA | Marshall County | America/Chicago | STANDARD | 503 |
| 50065 | Davis City | IA | Decatur County | America/Chicago | STANDARD | 500 |
| 51636 | Coin | IA | Page County | America/Chicago | STANDARD | 497 |
| 52231 | Harper | IA | Keokuk County | America/Chicago | STANDARD | 497 |
| 50277 | Yale | IA | Guthrie County | America/Chicago | STANDARD | 496 |
| 50264 | Weldon | IA | Decatur County | America/Chicago | STANDARD | 496 |
| 51548 | Mc Clelland | IA | Pottawattamie County | America/Chicago | STANDARD | 494 |
| 50007 | Alleman | IA | Polk County | America/Chicago | STANDARD | 490 |
| 51441 | Deloit | IA | Crawford County | America/Chicago | STANDARD | 487 |
| 52543 | Cedar | IA | Mahaska County | America/Chicago | STANDARD | 486 |
| 52574 | Mystic | IA | Appanoose County | America/Chicago | STANDARD | 484 |
| 51036 | Maurice | IA | Sioux County | America/Chicago | STANDARD | 483 |
| 51565 | Portsmouth | IA | Shelby County | America/Chicago | STANDARD | 482 |
| 52050 | Greeley | IA | Delaware County | America/Chicago | STANDARD | 477 |
| 51365 | Wallingford | IA | Emmet County | America/Chicago | STANDARD | 475 |
| 50217 | Paton | IA | Greene County | America/Chicago | STANDARD | 474 |
| 51431 | Arthur | IA | Ida County | America/Chicago | STANDARD | 473 |
| 51453 | Lohrville | IA | Calhoun County | America/Chicago | STANDARD | 472 |
| 50524 | Clare | IA | Webster County | America/Chicago | STANDARD | 471 |
| 50539 | Fenton | IA | Kossuth County | America/Chicago | STANDARD | 470 |
| 52140 | Dorchester | IA | Allamakee County | America/Chicago | STANDARD | 469 |
| 51049 | Quimby | IA | Cherokee County | America/Chicago | STANDARD | 469 |
| 50681 | Westgate | IA | Fayette County | America/Chicago | STANDARD | 467 |
| 51048 | Pierson | IA | Woodbury County | America/Chicago | STANDARD | 465 |
| 50234 | Rhodes | IA | Marshall County | America/Chicago | STANDARD | 463 |
| 50843 | Cumberland | IA | Cass County | America/Chicago | STANDARD | 462 |
| 50206 | New Providence | IA | Hardin County | America/Chicago | STANDARD | 460 |
| 52321 | Onslow | IA | Jones County | America/Chicago | STANDARD | 456 |
| 50451 | Lakota | IA | Kossuth County | America/Chicago | STANDARD | 455 |
| 50653 | Marble Rock | IA | Floyd County | America/Chicago | STANDARD | 448 |
| 52309 | Monmouth | IA | Jackson County | America/Chicago | STANDARD | 446 |
| 52765 | New Liberty | IA | Scott County | America/Chicago | STANDARD | 441 |
| 51019 | Danbury | IA | Woodbury County | America/Chicago | STANDARD | 441 |
| 50039 | Bouton | IA | Dallas County | America/Chicago | STANDARD | 440 |
| 50672 | Steamboat Rock | IA | Hardin County | America/Chicago | STANDARD | 438 |
| 50235 | Rippey | IA | Greene County | America/Chicago | STANDARD | 438 |
| 51446 | Irwin | IA | Shelby County | America/Chicago | STANDARD | 437 |
| 52745 | Dixon | IA | Scott County | America/Chicago | STANDARD | 435 |
| 51543 | Kimballton | IA | Audubon County | America/Chicago | STANDARD | 435 |
| 52325 | Parnell | IA | Iowa County | America/Chicago | STANDARD | 434 |
| 50108 | Grand River | IA | Decatur County | America/Chicago | STANDARD | 432 |
| 52638 | Middletown | IA | Des Moines County | America/Chicago | STANDARD | 427 |
| 50434 | Fertile | IA | Worth County | America/Chicago | STANDARD | 424 |
| 52313 | Mount Auburn | IA | Benton County | America/Chicago | STANDARD | 423 |
| 50599 | Woolstock | IA | Wright County | America/Chicago | STANDARD | 423 |
| 52534 | Beacon | IA | Mahaska County | America/Chicago | STANDARD | 423 |
| 51061 | Washta | IA | Cherokee County | America/Chicago | STANDARD | 423 |
| 52212 | Center Junction | IA | Jones County | America/Chicago | STANDARD | 419 |
| 51350 | Melvin | IA | Osceola County | America/Chicago | STANDARD | 417 |
| 51649 | Randolph | IA | Fremont County | America/Chicago | STANDARD | 416 |
| 51010 | Castana | IA | Monona County | America/Chicago | STANDARD | 416 |
| 52225 | Elberon | IA | Tama County | America/Chicago | STANDARD | 415 |
| 50565 | Marathon | IA | Buena Vista County | America/Chicago | STANDARD | 413 |
| 50136 | Keswick | IA | Keokuk County | America/Chicago | STANDARD | 411 |
| 50603 | Alta Vista | IA | Chickasaw County | America/Chicago | STANDARD | 410 |
| 52168 | Spillville | IA | Winneshiek County | America/Chicago | PO BOX | 409 |
| 51645 | Imogene | IA | Fremont County | America/Chicago | STANDARD | 407 |
| 52651 | Stockport | IA | Van Buren County | America/Chicago | STANDARD | 405 |
| 50607 | Aurora | IA | Buchanan County | America/Chicago | STANDARD | 404 |
| 50132 | Kamrar | IA | Hamilton County | America/Chicago | STANDARD | 404 |
| 50420 | Alexander | IA | Franklin County | America/Chicago | STANDARD | 404 |
| 52576 | Ollie | IA | Keokuk County | America/Chicago | STANDARD | 402 |
| 51541 | Henderson | IA | Mills County | America/Chicago | STANDARD | 402 |
| 50103 | Garden Grove | IA | Decatur County | America/Chicago | STANDARD | 398 |
| 50034 | Blairsburg | IA | Hamilton County | America/Chicago | STANDARD | 397 |
| 51033 | Linn Grove | IA | Buena Vista County | America/Chicago | STANDARD | 396 |
| 50148 | Liscomb | IA | Marshall County | America/Chicago | STANDARD | 396 |
| 51333 | Dickens | IA | Clay County | America/Chicago | STANDARD | 395 |
| 52169 | Wadena | IA | Fayette County | America/Chicago | STANDARD | 394 |
| 50242 | Searsboro | IA | Poweshiek County | America/Chicago | STANDARD | 394 |
| 52030 | Andrew | IA | Jackson County | America/Chicago | PO BOX | 393 |
| 52644 | Mount Union | IA | Henry County | America/Chicago | STANDARD | 393 |
| 50439 | Goodell | IA | Hancock County | America/Chicago | STANDARD | 392 |
| 52583 | Promise City | IA | Wayne County | America/Chicago | STANDARD | 391 |
| 51463 | Templeton | IA | Carroll County | America/Chicago | STANDARD | 385 |
| 50484 | Woden | IA | Hancock County | America/Chicago | STANDARD | 385 |
| 50067 | Decatur | IA | Decatur County | America/Chicago | STANDARD | 384 |
| 52727 | Bryant | IA | Clinton County | America/Chicago | STANDARD | 383 |
| 50566 | Moorland | IA | Webster County | America/Chicago | STANDARD | 382 |
| 51572 | Soldier | IA | Monona County | America/Chicago | STANDARD | 379 |
| 52752 | Grandview | IA | Louisa County | America/Chicago | PO BOX | 374 |
| 50609 | Beaman | IA | Grundy County | America/Chicago | STANDARD | 370 |
| 50518 | Barnum | IA | Webster County | America/Chicago | STANDARD | 366 |
| 50591 | Thor | IA | Humboldt County | America/Chicago | STANDARD | 366 |
| 50444 | Hanlontown | IA | Worth County | America/Chicago | STANDARD | 366 |
| 51037 | Meriden | IA | Cherokee County | America/Chicago | STANDARD | 365 |
| 50528 | Cylinder | IA | Palo Alto County | America/Chicago | STANDARD | 365 |
| 50546 | Havelock | IA | Pocahontas County | America/Chicago | STANDARD | 364 |
| 50577 | Renwick | IA | Humboldt County | America/Chicago | STANDARD | 361 |
| 50455 | Mc Intire | IA | Mitchell County | America/Chicago | STANDARD | 360 |
| 51523 | Blencoe | IA | Monona County | America/Chicago | STANDARD | 356 |
| 50147 | Lineville | IA | Wayne County | America/Chicago | STANDARD | 355 |
| 52163 | Protivin | IA | Howard County | America/Chicago | PO BOX | 354 |
| 50119 | Harvey | IA | Marion County | America/Chicago | STANDARD | 352 |
| 52560 | Floris | IA | Davis County | America/Chicago | STANDARD | 348 |
| 50243 | Sheldahl | IA | Polk County | America/Chicago | PO BOX | 348 |
| 51527 | Defiance | IA | Shelby County | America/Chicago | STANDARD | 346 |
| 50562 | Mallard | IA | Palo Alto County | America/Chicago | STANDARD | 346 |
| 51242 | Lester | IA | Lyon County | America/Chicago | PO BOX | 346 |
| 52359 | West Chester | IA | Washington County | America/Chicago | STANDARD | 344 |
| 50612 | Buckingham | IA | Tama County | America/Chicago | STANDARD | 338 |
| 51062 | Westfield | IA | Plymouth County | America/Chicago | STANDARD | 338 |
| 50654 | Masonville | IA | Delaware County | America/Chicago | STANDARD | 335 |
| 51440 | Dedham | IA | Carroll County | America/Chicago | STANDARD | 335 |
| 52232 | Hartwick | IA | Poweshiek County | America/Chicago | STANDARD | 335 |
| 51366 | Webb | IA | Clay County | America/Chicago | STANDARD | 335 |
| 51056 | Smithland | IA | Woodbury County | America/Chicago | STANDARD | 332 |
| 51631 | Braddyville | IA | Page County | America/Chicago | STANDARD | 331 |
| 50128 | Jamaica | IA | Guthrie County | America/Chicago | STANDARD | 331 |
| 52354 | Watkins | IA | Benton County | America/Chicago | STANDARD | 329 |
| 52221 | Guernsey | IA | Poweshiek County | America/Chicago | STANDARD | 328 |
| 50836 | Blockton | IA | Taylor County | America/Chicago | STANDARD | 322 |
| 50559 | Lone Rock | IA | Kossuth County | America/Chicago | STANDARD | 321 |
| 50586 | Somers | IA | Calhoun County | America/Chicago | STANDARD | 320 |
| 50222 | Peru | IA | Madison County | America/Chicago | STANDARD | 314 |
| 51345 | Harris | IA | Osceola County | America/Chicago | STANDARD | 313 |
| 50837 | Bridgewater | IA | Adair County | America/Chicago | STANDARD | 311 |
| 51444 | Halbur | IA | Carroll County | America/Chicago | PO BOX | 307 |
| 50633 | Geneva | IA | Franklin County | America/Chicago | STANDARD | 306 |
| 52737 | Columbus City | IA | Louisa County | America/Chicago | STANDARD | 306 |
| 50470 | Rowan | IA | Wright County | America/Chicago | STANDARD | 305 |
| 51654 | Thurman | IA | Fremont County | America/Chicago | STANDARD | 301 |
| 52660 | Yarmouth | IA | Des Moines County | America/Chicago | STANDARD | 298 |
| 50218 | Patterson | IA | Madison County | America/Chicago | STANDARD | 293 |
| 51549 | Macedonia | IA | Pottawattamie County | America/Chicago | STANDARD | 292 |
| 51556 | Modale | IA | Harrison County | America/Chicago | STANDARD | 289 |
| 52767 | Pleasant Valley | IA | Scott County | America/Chicago | PO BOX | 287 |
| 52158 | Marquette | IA | Clayton County | America/Chicago | PO BOX | 286 |
| 52044 | Elkport | IA | Clayton County | America/Chicago | STANDARD | 282 |
| 52355 | Webster | IA | Keokuk County | America/Chicago | STANDARD | 282 |
| 50576 | Rembrandt | IA | Buena Vista County | America/Chicago | STANDARD | 281 |
| 51343 | Greenville | IA | Clay County | America/Chicago | STANDARD | 279 |
| 50440 | Grafton | IA | Worth County | America/Chicago | STANDARD | 275 |
| 50611 | Bristow | IA | Butler County | America/Chicago | STANDARD | 269 |
| 52134 | Chester | IA | Howard County | America/Chicago | STANDARD | 268 |
| 52207 | Baldwin | IA | Jackson County | America/Chicago | STANDARD | 268 |
| 50068 | Derby | IA | Lucas County | America/Chicago | STANDARD | 267 |
| 52077 | Volga | IA | Clayton County | America/Chicago | STANDARD | 266 |
| 52646 | Oakville | IA | Louisa County | America/Chicago | STANDARD | 266 |
| 52758 | Mc Causland | IA | Scott County | America/Chicago | PO BOX | 265 |
| 50057 | Columbia | IA | Marion County | America/Chicago | STANDARD | 261 |
| 50571 | Palmer | IA | Pocahontas County | America/Chicago | STANDARD | 260 |
| 50531 | Dolliver | IA | Emmet County | America/Chicago | STANDARD | 260 |
| 50861 | Shannon City | IA | Union County | America/Chicago | STANDARD | 260 |
| 51545 | Little Sioux | IA | Harrison County | America/Chicago | STANDARD | 258 |
| 52566 | Kirkville | IA | Wapello County | America/Chicago | STANDARD | 254 |
| 50848 | Gravity | IA | Taylor County | America/Chicago | STANDARD | 251 |
| 50431 | Coulter | IA | Franklin County | America/Chicago | PO BOX | 251 |
| 50515 | Ayrshire | IA | Palo Alto County | America/Chicago | STANDARD | 248 |
| 50223 | Pilot Mound | IA | Boone County | America/Chicago | STANDARD | 248 |
| 52257 | Luzerne | IA | Benton County | America/Chicago | STANDARD | 247 |
| 51540 | Hastings | IA | Mills County | America/Chicago | STANDARD | 246 |
| 50051 | Clemons | IA | Marshall County | America/Chicago | STANDARD | 245 |
| 52048 | Garber | IA | Clayton County | America/Chicago | STANDARD | 243 |
| 52757 | Low Moor | IA | Clinton County | America/Chicago | PO BOX | 242 |
| 50594 | Vincent | IA | Webster County | America/Chicago | STANDARD | 240 |
| 50254 | Thayer | IA | Union County | America/Chicago | STANDARD | 238 |
| 51648 | Percival | IA | Fremont County | America/Chicago | STANDARD | 237 |
| 50673 | Stout | IA | Grundy County | America/Chicago | PO BOX | 236 |
| 51520 | Arion | IA | Crawford County | America/Chicago | STANDARD | 235 |
| 52056 | Luxemburg | IA | Dubuque County | America/Chicago | PO BOX | 230 |
| 52581 | Plano | IA | Appanoose County | America/Chicago | STANDARD | 229 |
| 50432 | Crystal Lake | IA | Hancock County | America/Chicago | PO BOX | 229 |
| 50272 | Williamson | IA | Lucas County | America/Chicago | PO BOX | 228 |
| 50042 | Brayton | IA | Audubon County | America/Chicago | STANDARD | 228 |
| 50038 | Booneville | IA | Dallas County | America/Chicago | STANDARD | 228 |
| 51029 | Larrabee | IA | Cherokee County | America/Chicago | STANDARD | 226 |
| 50262 | Van Wert | IA | Decatur County | America/Chicago | STANDARD | 225 |
| 50473 | Scarville | IA | Winnebago County | America/Chicago | STANDARD | 222 |
| 50252 | Swan | IA | Marion County | America/Chicago | STANDARD | 221 |
| 50477 | Swaledale | IA | Cerro Gordo County | America/Chicago | STANDARD | 219 |
| 50074 | Ellston | IA | Ringgold County | America/Chicago | STANDARD | 218 |
| 51637 | College Springs | IA | Page County | America/Chicago | PO BOX | 214 |
| 52630 | Hillsboro | IA | Henry County | America/Chicago | STANDARD | 214 |
| 50066 | Dawson | IA | Dallas County | America/Chicago | STANDARD | 208 |
| 50570 | Ottosen | IA | Humboldt County | America/Chicago | STANDARD | 200 |
| 50465 | Rake | IA | Winnebago County | America/Chicago | PO BOX | 199 |
| 50631 | Frederika | IA | Bremer County | America/Chicago | PO BOX | 198 |
| 51552 | Marne | IA | Cass County | America/Chicago | STANDARD | 195 |
| 52164 | Randalia | IA | Fayette County | America/Chicago | STANDARD | 195 |
| 51452 | Lidderdale | IA | Carroll County | America/Chicago | PO BOX | 191 |
| 50863 | Tingley | IA | Ringgold County | America/Chicago | STANDARD | 191 |
| 52334 | South Amana | IA | Iowa County | America/Chicago | STANDARD | 190 |
| 51650 | Riverton | IA | Fremont County | America/Chicago | STANDARD | 189 |
| 52759 | Montpelier | IA | Muscatine County | America/Chicago | STANDARD | 187 |
| 50116 | Hamilton | IA | Marion County | America/Chicago | STANDARD | 185 |
| 51008 | Brunsville | IA | Plymouth County | America/Chicago | PO BOX | 180 |
| 50239 | Saint Anthony | IA | Marshall County | America/Chicago | STANDARD | 179 |
| 50671 | Stanley | IA | Buchanan County | America/Chicago | STANDARD | 178 |
| 50567 | Nemaha | IA | Sac County | America/Chicago | STANDARD | 178 |
| 50582 | Rutland | IA | Humboldt County | America/Chicago | STANDARD | 176 |
| 50454 | Little Cedar | IA | Mitchell County | America/Chicago | STANDARD | 175 |
| 51044 | Oto | IA | Woodbury County | America/Chicago | STANDARD | 173 |
| 52166 | Saint Lucas | IA | Fayette County | America/Chicago | PO BOX | 172 |
| 50040 | Boxholm | IA | Boone County | America/Chicago | PO BOX | 172 |
| 50274 | Wiota | IA | Cass County | America/Chicago | STANDARD | 170 |
| 52074 | Spragueville | IA | Jackson County | America/Chicago | STANDARD | 169 |
| 50027 | Barnes City | IA | Mahaska County | America/Chicago | STANDARD | 169 |
| 51554 | Mineola | IA | Mills County | America/Chicago | PO BOX | 167 |
| 50231 | Randall | IA | Hamilton County | America/Chicago | PO BOX | 160 |
| 50520 | Bradgate | IA | Humboldt County | America/Chicago | STANDARD | 156 |
| 50545 | Hardy | IA | Humboldt County | America/Chicago | STANDARD | 156 |
| 50556 | Ledyard | IA | Kossuth County | America/Chicago | STANDARD | 156 |
| 52573 | Mount Sterling | IA | Van Buren County | America/Chicago | STANDARD | 155 |
| 50117 | Hamlin | IA | Audubon County | America/Chicago | STANDARD | 155 |
| 51630 | Blanchard | IA | Page County | America/Chicago | STANDARD | 155 |
| 51647 | Northboro | IA | Page County | America/Chicago | STANDARD | 154 |
| 52555 | Exline | IA | Appanoose County | America/Chicago | STANDARD | 152 |
| 51578 | Westphalia | IA | Shelby County | America/Chicago | PO BOX | 150 |
| 52252 | Langworthy | IA | Jones County | America/Chicago | STANDARD | 149 |
| 50427 | Chapin | IA | Franklin County | America/Chicago | STANDARD | 146 |
| 50592 | Truesdale | IA | Buena Vista County | America/Chicago | PO BOX | 146 |
| 50623 | Dewar | IA | Black Hawk County | America/Chicago | PO BOX | 145 |
| 51550 | Magnolia | IA | Harrison County | America/Chicago | STANDARD | 142 |
| 51244 | Matlock | IA | Sioux County | America/Chicago | STANDARD | 140 |
| 52219 | Prairieburg | IA | Linn County | America/Chicago | STANDARD | 140 |
| 52308 | Millersburg | IA | Iowa County | America/Chicago | PO BOX | 136 |
| 52075 | Springbrook | IA | Jackson County | America/Chicago | PO BOX | 136 |
| 50857 | Nodaway | IA | Adams County | America/Chicago | STANDARD | 135 |
| 51447 | Kirkman | IA | Shelby County | America/Chicago | STANDARD | 132 |
| 51363 | Superior | IA | Dickinson County | America/Chicago | PO BOX | 132 |
| 51009 | Calumet | IA | O’Brien County | America/Chicago | PO BOX | 131 |
| 52071 | Saint Donatus | IA | Jackson County | America/Chicago | PO BOX | 131 |
| 52220 | Conroy | IA | Iowa County | America/Chicago | PO BOX | 128 |
| 50227 | Popejoy | IA | Franklin County | America/Chicago | STANDARD | 127 |
| 50433 | Dougherty | IA | Cerro Gordo County | America/Chicago | STANDARD | 125 |
| 50269 | Whitten | IA | Hardin County | America/Chicago | PO BOX | 125 |
| 50657 | Morrison | IA | Grundy County | America/Chicago | STANDARD | 125 |
| 52036 | Delaware | IA | Delaware County | America/Chicago | STANDARD | 124 |
| 52774 | Welton | IA | Clinton County | America/Chicago | PO BOX | 123 |
| 52701 | Andover | IA | Clinton County | America/Chicago | PO BOX | 120 |
| 52593 | Udell | IA | Appanoose County | America/Chicago | STANDARD | 120 |
| 50605 | Aredale | IA | Butler County | America/Chicago | STANDARD | 119 |
| 50152 | Luther | IA | Boone County | America/Chicago | PO BOX | 117 |
| 50241 | Saint Marys | IA | Warren County | America/Chicago | PO BOX | 112 |
| 50155 | Macksburg | IA | Madison County | America/Chicago | STANDARD | 111 |
| 50664 | Oran | IA | Fayette County | America/Chicago | STANDARD | 110 |
| 50145 | Liberty Center | IA | Warren County | America/Chicago | PO BOX | 108 |
| 50860 | Redding | IA | Ringgold County | America/Chicago | STANDARD | 108 |
| 50137 | Killduff | IA | Jasper County | America/Chicago | STANDARD | 107 |
| 51651 | Shambaugh | IA | Page County | America/Chicago | PO BOX | 103 |
| 50862 | Sharpsburg | IA | Taylor County | America/Chicago | STANDARD | 100 |
| 50104 | Gibson | IA | Keokuk County | America/Chicago | STANDARD | 99 |
| 52066 | North Buena Vista | IA | Clayton County | America/Chicago | STANDARD | 97 |
| 50078 | Ferguson | IA | Marshall County | America/Chicago | PO BOX | 97 |
| 50064 | Dana | IA | Greene County | America/Chicago | STANDARD | 89 |
| 50652 | Lincoln | IA | Tama County | America/Chicago | PO BOX | 88 |
| 52652 | Swedesburg | IA | Henry County | America/Chicago | PO BOX | 87 |
| 50842 | Cromwell | IA | Union County | America/Chicago | STANDARD | 85 |
| 50527 | Curlew | IA | Palo Alto County | America/Chicago | STANDARD | 85 |
| 52588 | Selma | IA | Van Buren County | America/Chicago | STANDARD | 83 |
| 50552 | Knierim | IA | Calhoun County | America/Chicago | PO BOX | 83 |
| 51340 | Fostoria | IA | Clay County | America/Chicago | PO BOX | 80 |
| 51011 | Chatsworth | IA | Sioux County | America/Chicago | STANDARD | 80 |
| 50467 | Rock Falls | IA | Cerro Gordo County | America/Chicago | STANDARD | 76 |
| 52631 | Houghton | IA | Lee County | America/Chicago | PO BOX | 76 |
| 52647 | Olds | IA | Henry County | America/Chicago | PO BOX | 75 |
| 51045 | Oyens | IA | Plymouth County | America/Chicago | PO BOX | 75 |
| 52568 | Martinsburg | IA | Keokuk County | America/Chicago | PO BOX | 73 |
| 51015 | Climbing Hill | IA | Woodbury County | America/Chicago | STANDARD | 70 |
| 52344 | Troy Mills | IA | Linn County | America/Chicago | PO BOX | 70 |
| 50426 | Carpenter | IA | Mitchell County | America/Chicago | STANDARD | 70 |
| 52771 | Teeds Grove | IA | Clinton County | America/Chicago | STANDARD | 69 |
| 50052 | Clio | IA | Wayne County | America/Chicago | STANDARD | 68 |
| 52657 | Saint Paul | IA | Lee County | America/Chicago | STANDARD | 68 |
| 50101 | Galt | IA | Wright County | America/Chicago | STANDARD | 67 |
| 50102 | Garden City | IA | Hardin County | America/Chicago | PO BOX | 67 |
| 51451 | Lanesboro | IA | Carroll County | America/Chicago | PO BOX | 65 |
| 52348 | Vining | IA | Tama County | America/Chicago | PO BOX | 64 |
| 52562 | Hayesville | IA | Keokuk County | America/Chicago | STANDARD | 62 |
| 50031 | Beaver | IA | Boone County | America/Chicago | PO BOX | 61 |
| 50835 | Benton | IA | Ringgold County | America/Chicago | STANDARD | 61 |
| 51459 | Ralston | IA | Carroll County | America/Chicago | STANDARD | 60 |
| 51460 | Ricketts | IA | Crawford County | America/Chicago | PO BOX | 58 |
| 52307 | Middle Amana | IA | Iowa County | America/Chicago | PO BOX | 57 |
| 50620 | Colwell | IA | Floyd County | America/Chicago | STANDARD | 54 |
| 52548 | Chillicothe | IA | Wapello County | America/Chicago | STANDARD | 50 |
| 51051 | Rodney | IA | Monona County | America/Chicago | STANDARD | 48 |
| 51111 | Sioux City | IA | Woodbury County | America/Chicago | STANDARD | 48 |
| 50041 | Bradford | IA | Franklin County | America/Chicago | PO BOX | 48 |
| 50839 | Carbon | IA | Adams County | America/Chicago | STANDARD | 46 |
| 52312 | Morley | IA | Jones County | America/Chicago | STANDARD | 43 |
| 50255 | Thornburg | IA | Keokuk County | America/Chicago | PO BOX | 40 |
| 50847 | Grant | IA | Montgomery County | America/Chicago | PO BOX | 40 |
| 50165 | Millerton | IA | Wayne County | America/Chicago | STANDARD | 40 |
| 50608 | Austinville | IA | Butler County | America/Chicago | STANDARD | 36 |
| 50573 | Plover | IA | Pocahontas County | America/Chicago | PO BOX | 36 |
| 50110 | Gray | IA | Audubon County | America/Chicago | PO BOX | 36 |
| 51432 | Aspinwall | IA | Crawford County | America/Chicago | PO BOX | 35 |
| 51341 | Gillett Grove | IA | Clay County | America/Chicago | PO BOX | 35 |
| 50551 | Jolley | IA | Calhoun County | America/Chicago | STANDARD | 31 |
| 50593 | Varina | IA | Pocahontas County | America/Chicago | PO BOX | 31 |
| 51656 | Yorktown | IA | Page County | America/Chicago | PO BOX | 26 |
| 50831 | Arispe | IA | Union County | America/Chicago | PO BOX | 23 |
| 50033 | Bevington | IA | Madison County | America/Chicago | STANDARD | 14 |
| 50649 | Kesley | IA | Butler County | America/Chicago | STANDARD | 5 |
| 50521 | Burnside | IA | Webster County | America/Chicago | PO BOX | 3 |
| 50127 | Ira | IA | Jasper County | America/Chicago | STANDARD | 0 |
| 50319 | Des Moines | IA | Polk County | America/Chicago | STANDARD | 0 |
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