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| City | ZIP Code | County |
|---|
| Humeston | 50123 | Wayne |
| Huxley | 50124 | Story |
| Ida Grove | 51445 | Ida |
| Imogene | 51645 | Fremont |
| Independence | 50644 | Buchanan |
| Indianola | 50125 | Warren |
| Inwood | 51240 | Lyon |
| Ionia | 50645 | Chickasaw |
| Iowa City | 52240 | Johnson |
| Iowa City | 52242 | Johnson |
| Iowa City | 52243 | Johnson |
| Iowa City | 52244 | Johnson |
| Iowa City | 52245 | Johnson |
| Iowa City | 52246 | Johnson |
| Iowa Falls | 50126 | Hardin |
| Ira | 50127 | Jasper |
| Ireton | 51027 | Sioux |
| Irwin | 51446 | Shelby |
| Jamaica | 50128 | Guthrie |
| Janesville | 50647 | Bremer |
| Jefferson | 50129 | Greene |
| Jesup | 50648 | Black Hawk |
| Jewell | 50130 | Hamilton |
| Johnston | 50131 | Polk |
| Joice | 50446 | Worth |
| Jolley | 50551 | Calhoun |
| Kalona | 52247 | Washington |
| Kamrar | 50132 | Hamilton |
| Kanawha | 50447 | Hancock |
| Kellerton | 50133 | Ringgold |
| Kelley | 50134 | Story |
| Kellogg | 50135 | Jasper |
| Kensett | 50448 | Worth |
| Keokuk | 52632 | Lee |
| Keosauqua | 52565 | Van Buren |
| Keota | 52248 | Washington |
| Kesley | 50649 | Butler |
| Keswick | 50136 | Keokuk |
| Keystone | 52249 | Benton |
| Killduff | 50137 | Jasper |
| Kimballton | 51543 | Audubon |
| Kingsley | 51028 | Plymouth |
| Kirkman | 51447 | Shelby |
| Kirkville | 52566 | Wapello |
| Kiron | 51448 | Crawford |
| Klemme | 50449 | Hancock |
| Knierim | 50552 | Calhoun |
| Knoxville | 50138 | Marion |
| La Motte | 52054 | Jackson |
| La Porte City | 50651 | Black Hawk |
| Lacona | 50139 | Warren |
| Ladora | 52251 | Iowa |
| Lake City | 51449 | Calhoun |
| Lake Mills | 50450 | Winnebago |
| Lake Park | 51347 | Dickinson |
| Lake View | 51450 | Sac |
| Lakota | 50451 | Kossuth |
| Lamoni | 50140 | Decatur |
| Lamont | 50650 | Buchanan |
| Lanesboro | 51451 | Carroll |
| Langworthy | 52252 | Jones |
| Lansing | 52151 | Allamakee |
| Larchwood | 51241 | Lyon |
| Larrabee | 51029 | Cherokee |
| Latimer | 50452 | Franklin |
| Laurel | 50141 | Marshall |
| Laurens | 50554 | Pocahontas |
| Lawler | 52154 | Chickasaw |
| Lawton | 51030 | Woodbury |
| Le Claire | 52753 | Scott |
| Le Grand | 50142 | Marshall |
| Le Mars | 51031 | Plymouth |
| Ledyard | 50556 | Kossuth |
| Lehigh | 50557 | Webster |
| Leighton | 50143 | Mahaska |
| Leland | 50453 | Winnebago |
| Lenox | 50851 | Taylor |
| Leon | 50144 | Decatur |
| Lester | 51242 | Lyon |
| Letts | 52754 | Muscatine |
| Lewis | 51544 | Cass |
| Liberty Center | 50145 | Warren |
| Libertyville | 52567 | Jefferson |
| Lidderdale | 51452 | Carroll |
| Lime Springs | 52155 | Howard |
| Lincoln | 50652 | Tama |
| Linden | 50146 | Dallas |
| Lineville | 50147 | Wayne |
| Linn Grove | 51033 | Buena Vista |
| Lisbon | 52253 | Linn |
| Liscomb | 50148 | Marshall |
| Little Cedar | 50454 | Mitchell |
| Little Rock | 51243 | Lyon |
| Little Sioux | 51545 | Harrison |
| Livermore | 50558 | Humboldt |
| Lockridge | 52635 | Jefferson |
| Logan | 51546 | Harrison |
| Lohrville | 51453 | Calhoun |
| Lone Rock | 50559 | Kossuth |
| Lone Tree | 52755 | Johnson |
| Long Grove | 52756 | Scott |
| Lorimor | 50149 | Union |
| Lost Nation | 52254 | Clinton |
| Lovilia | 50150 | Monroe |
| Low Moor | 52757 | Clinton |
| Lowden | 52255 | Cedar |
| Lu Verne | 50560 | Kossuth |
| Luana | 52156 | Clayton |
| Lucas | 50151 | Lucas |
| Luther | 50152 | Boone |
| Luxemburg | 52056 | Dubuque |
| Luzerne | 52257 | Benton |
| Lynnville | 50153 | Jasper |
| Lytton | 50561 | Calhoun |
| Macedonia | 51549 | Pottawattamie |
| Macksburg | 50155 | Madison |
| Madrid | 50156 | Boone |
| Magnolia | 51550 | Harrison |
| Malcom | 50157 | Poweshiek |
| Mallard | 50562 | Palo Alto |
| Malvern | 51551 | Mills |
| Manchester | 52057 | Delaware |
| Manilla | 51454 | Crawford |
| Manly | 50456 | Worth |
| Manning | 51455 | Carroll |
| Manson | 50563 | Calhoun |
| Mapleton | 51034 | Monona |
| Maquoketa | 52060 | Jackson |
| Marathon | 50565 | Buena Vista |
| Marble Rock | 50653 | Floyd |
| Marcus | 51035 | Cherokee |
| Marengo | 52301 | Iowa |
| Marion | 52302 | Linn |
| Marne | 51552 | Cass |
| Marquette | 52158 | Clayton |
| Marshalltown | 50158 | Marshall |
| Martelle | 52305 | Jones |
| Martensdale | 50160 | Warren |
| Martinsburg | 52568 | Keokuk |
| Mason City | 50401 | Cerro Gordo |
| Mason City | 50402 | Cerro Gordo |
| Masonville | 50654 | Delaware |
| Massena | 50853 | Cass |
| Matlock | 51244 | Sioux |
| Maurice | 51036 | Sioux |
| Maxwell | 50161 | Story |
| Maynard | 50655 | Fayette |
| Mc Callsburg | 50154 | Story |
| Mc Causland | 52758 | Scott |
| Mc Clelland | 51548 | Pottawattamie |
| Mc Gregor | 52157 | Clayton |
| Mc Intire | 50455 | Mitchell |
| Mechanicsville | 52306 | Cedar |
| Mediapolis | 52637 | Des Moines |
| Melbourne | 50162 | Marshall |
| Melcher-dallas | 50062 | Marion |
| Melcher-dallas | 50163 | Marion |
| Melrose | 52569 | Monroe |
| Melvin | 51350 | Osceola |
| Menlo | 50164 | Guthrie |
| Meriden | 51037 | Cherokee |
| Merrill | 51038 | Plymouth |
| Meservey | 50457 | Cerro Gordo |
| Middle Amana | 52307 | Iowa |
| Middletown | 52638 | Des Moines |
| Miles | 52064 | Jackson |
| Milford | 51351 | Dickinson |
| Millersburg | 52308 | Iowa |
| Millerton | 50165 | Wayne |
| Milo | 50166 | Warren |
| Milton | 52570 | Van Buren |
| Minburn | 50167 | Dallas |
| Minden | 51553 | Pottawattamie |
| Mineola | 51554 | Mills |
| Mingo | 50168 | Jasper |
| Missouri Valley | 51555 | Harrison |
| Mitchellville | 50169 | Polk |
| Modale | 51556 | Harrison |
| Mondamin | 51557 | Harrison |
| Monmouth | 52309 | Jackson |
| Monona | 52159 | Clayton |
| Monroe | 50170 | Jasper |
| Montezuma | 50171 | Poweshiek |
| Monticello | 52310 | Jones |
| Montour | 50173 | Tama |
| Montpelier | 52759 | Muscatine |
| Montrose | 52639 | Lee |
| Moorhead | 51558 | Monona |
| Moorland | 50566 | Webster |
| Moravia | 52571 | Appanoose |
| Morley | 52312 | Jones |
| Morning Sun | 52640 | Louisa |
| Morrison | 50657 | Grundy |
| Moscow | 52760 | Muscatine |
| Moulton | 52572 | Appanoose |
| Mount Auburn | 52313 | Benton |
| Mount Ayr | 50854 | Ringgold |
| Mount Pleasant | 52641 | Henry |
| Mount Sterling | 52573 | Van Buren |
| Mount Union | 52644 | Henry |
| Mount Vernon | 52314 | Linn |
| Moville | 51039 | Woodbury |
| Murray | 50174 | Clarke |
| Muscatine | 52761 | Muscatine |
| Mystic | 52574 | Appanoose |
| Nashua | 50658 | Chickasaw |
| Nemaha | 50567 | Sac |
| Neola | 51559 | Pottawattamie |
| Nevada | 50201 | Story |
| New Albin | 52160 | Allamakee |
| New Hampton | 50659 | Chickasaw |
| New Hartford | 50660 | Butler |
| New Liberty | 52765 | Scott |
| New London | 52645 | Henry |
| New Market | 51646 | Taylor |
| New Providence | 50206 | Hardin |
| New Sharon | 50207 | Mahaska |
| New Vienna | 52065 | Dubuque |
| New Virginia | 50210 | Warren |
| Newell | 50568 | Buena Vista |
| Newhall | 52315 | Benton |
| Newton | 50208 | Jasper |
| Nichols | 52766 | Muscatine |
| Nodaway | 50857 | Adams |
| Nora Springs | 50458 | Floyd |
| North Buena Vista | 52066 | Clayton |
| North English | 52316 | Iowa |
| North Liberty | 52317 | Johnson |
| North Washington | 50661 | Chickasaw |
| Northboro | 51647 | Page |
| Northwood | 50459 | Worth |
| Norwalk | 50211 | Warren |
| Norway | 52318 | Benton |
| Oakdale | 52319 | Johnson |
| Oakland | 51560 | Pottawattamie |
| Oakville | 52646 | Louisa |
| Ocheyedan | 51354 | Osceola |
| Odebolt | 51458 | Sac |
| Oelwein | 50662 | Fayette |
| Ogden | 50212 | Boone |
| Okoboji | 51355 | Dickinson |
| Olds | 52647 | Henry |
| Olin | 52320 | Jones |
| Ollie | 52576 | Keokuk |
| Onawa | 51040 | Monona |
| Onslow | 52321 | Jones |
| Oran | 50664 | Fayette |
| Orange City | 51041 | Sioux |
| Orchard | 50460 | Mitchell |
| Orient | 50858 | Adair |
| Osage | 50461 | Mitchell |
| Osceola | 50213 | Clarke |
| Oskaloosa | 52577 | Mahaska |
| Ossian | 52161 | Winneshiek |
| Otho | 50569 | Webster |
| Otley | 50214 | Marion |
| Oto | 51044 | Woodbury |
| Ottosen | 50570 | Humboldt |
| Ottumwa | 52501 | Wapello |
| Oxford | 52322 | Johnson |
| Oxford Junction | 52323 | Jones |
| Oyens | 51045 | Plymouth |
| Pacific Junction | 51561 | Mills |
| Packwood | 52580 | Jefferson |
| Palmer | 50571 | Pocahontas |
| Palo | 52324 | Linn |
| Panama | 51562 | Shelby |
| Panora | 50216 | Guthrie |
| Parkersburg | 50665 | Butler |
| Parnell | 52325 | Iowa |
| Paton | 50217 | Greene |
| Patterson | 50218 | Madison |
| Paullina | 51046 | Obrien |
| Pella | 50219 | Marion |
| Peosta | 52068 | Dubuque |
| Percival | 51648 | Fremont |
| Perry | 50220 | Dallas |
| Persia | 51563 | Harrison |
| Peru | 50222 | Madison |
| Peterson | 51047 | Clay |
| Pierson | 51048 | Woodbury |
| Pilot Grove | 52648 | Lee |
| Pilot Mound | 50223 | Boone |
| Pisgah | 51564 | Harrison |
| Plainfield | 50666 | Bremer |
| Plano | 52581 | Appanoose |
| Pleasant Hill | 50327 | Polk |
| Pleasant Valley | 52767 | Scott |
| Pleasantville | 50225 | Marion |
| Plover | 50573 | Pocahontas |
| Plymouth | 50464 | Cerro Gordo |
| Pocahontas | 50574 | Pocahontas |
| Polk City | 50226 | Polk |
| Pomeroy | 50575 | Calhoun |
| Popejoy | 50227 | Franklin |
| Portsmouth | 51565 | Shelby |
| Postville | 52162 | Allamakee |
| Prairie City | 50228 | Jasper |
| Prairieburg | 52219 | Linn |
| Prescott | 50859 | Adams |
| Preston | 52069 | Jackson |
| Primghar | 51245 | Obrien |
| Princeton | 52768 | Scott |
| Prole | 50229 | Warren |
| Promise City | 52583 | Wayne |
| Protivin | 52163 | Howard |
| Pulaski | 52584 | Davis |
| Quasqueton | 52326 | Buchanan |
| Quimby | 51049 | Cherokee |
| Radcliffe | 50230 | Hardin |
| Rake | 50465 | Winnebago |
| Ralston | 51459 | Carroll |
| Randalia | 52164 | Fayette |
| Randall | 50231 | Hamilton |
| Randolph | 51649 | Fremont |
| Raymond | 50667 | Black Hawk |
| Readlyn | 50668 | Bremer |
| Reasnor | 50232 | Jasper |
| Red Oak | 51566 | Montgomery |
| Red Oak | 51591 | Montgomery |
| Redding | 50860 | Ringgold |
| Redfield | 50233 | Dallas |
| Reinbeck | 50669 | Grundy |
| Rembrandt | 50576 | Buena Vista |
| Remsen | 51050 | Plymouth |
| Renwick | 50577 | Humboldt |
| Rhodes | 50234 | Marshall |
| Riceville | 50466 | Howard |
| Richland | 52585 | Keokuk |
| Ricketts | 51460 | Crawford |
| Ridgeway | 52165 | Winneshiek |
| Ringsted | 50578 | Emmet |
| Rippey | 50235 | Greene |
| Riverside | 52327 | Washington |
| Riverton | 51650 | Fremont |
| Robins | 52328 | Linn |
| Rock Falls | 50467 | Cerro Gordo |
| Rock Rapids | 51246 | Lyon |
| Rock Valley | 51247 | Sioux |
| Rockford | 50468 | Floyd |
| Rockwell | 50469 | Cerro Gordo |
| Rockwell City | 50579 | Calhoun |
| Rodney | 51051 | Monona |
| Roland | 50236 | Story |
| Rolfe | 50581 | Pocahontas |
| Rome | 52642 | Henry |
| Rose Hill | 52586 | Mahaska |
| Rowan | 50470 | Wright |
| Rowley | 52329 | Buchanan |
| Royal | 51357 | Clay |
| Rudd | 50471 | Floyd |
| Runnells | 50237 | Polk |
| Russell | 50238 | Lucas |
| Ruthven | 51358 | Palo Alto |
| Rutland | 50582 | Humboldt |
| Ryan | 52330 | Delaware |
| Sabula | 52070 | Jackson |
| Sac City | 50583 | Sac |
| Saint Ansgar | 50472 | Mitchell |
| Saint Anthony | 50239 | Marshall |
| Saint Charles | 50240 | Madison |
| Saint Donatus | 52071 | Jackson |
| Saint Lucas | 52166 | Fayette |
| Saint Marys | 50241 | Warren |
| Saint Olaf | 52072 | Clayton |
| Saint Paul | 52657 | Lee |
| Salem | 52649 | Henry |
| Salix | 51052 | Woodbury |
| Sanborn | 51248 | Obrien |
| Scarville | 50473 | Winnebago |
| Schaller | 51053 | Sac |
| Schleswig | 51461 | Crawford |
| Scranton | 51462 | Greene |
| Searsboro | 50242 | Poweshiek |
| Selma | 52588 | Van Buren |
| Sergeant Bluff | 51054 | Woodbury |
| Seymour | 52590 | Wayne |
| Shambaugh | 51651 | Page |
| Shannon City | 50861 | Union |
| Sharpsburg | 50862 | Taylor |
| Sheffield | 50475 | Franklin |
| Shelby | 51570 | Shelby |
| Sheldahl | 50243 | Story |
| Sheldon | 51201 | Obrien |
| Shell Rock | 50670 | Butler |
| Shellsburg | 52332 | Benton |
| Shenandoah | 51601 | Page |
| Shenandoah | 51602 | Page |
| Shenandoah | 51603 | Page |
| Sherrill | 52073 | Dubuque |
| Sibley | 51249 | Osceola |
| Sidney | 51652 | Fremont |
| Sigourney | 52591 | Keokuk |
| Silver City | 51571 | Mills |
| Sioux Center | 51250 | Sioux |
| Sioux City | 51101 | Woodbury |
| Sioux City | 51102 | Woodbury |
| Sioux City | 51103 | Woodbury |
| Sioux City | 51104 | Woodbury |
| Sioux City | 51105 | Woodbury |
| Sioux City | 51106 | Woodbury |
| Sioux City | 51108 | Woodbury |
| Sioux City | 51109 | Woodbury |
| Sioux City | 51111 | Woodbury |
| Sioux Rapids | 50585 | Buena Vista |
| Slater | 50244 | Story |
| Sloan | 51055 | Woodbury |
| Smithland | 51056 | Woodbury |
| Soldier | 51572 | Monona |
| Solon | 52333 | Johnson |
| Somers | 50586 | Calhoun |
| South Amana | 52334 | Iowa |
| South English | 52335 | Keokuk |
| Spencer | 51301 | Clay |
| Sperry | 52650 | Des Moines |
| Spillville | 52168 | Winneshiek |
| Spirit Lake | 51360 | Dickinson |
| Spragueville | 52074 | Jackson |
| Springbrook | 52075 | Jackson |
| Springville | 52336 | Linn |
| Stacyville | 50476 | Mitchell |
| Stanhope | 50246 | Hamilton |
| Stanley | 50671 | Buchanan |
| Stanton | 51573 | Montgomery |
| Stanwood | 52337 | Cedar |
| State Center | 50247 | Marshall |
| Steamboat Rock | 50672 | Hardin |
| Stockport | 52651 | Van Buren |
| Stockton | 52769 | Muscatine |
| Storm Lake | 50588 | Buena Vista |
| Story City | 50248 | Story |
| Stout | 50673 | Grundy |
| Stratford | 50249 | Hamilton |
| Strawberry Point | 52076 | Clayton |
| Stuart | 50250 | Adair |
| Sully | 50251 | Jasper |
| Sumner | 50674 | Bremer |
| Superior | 51363 | Dickinson |
| Sutherland | 51058 | Obrien |
| Swaledale | 50477 | Cerro Gordo |
| Swan | 50252 | Marion |
| Swea City | 50590 | Kossuth |
| Swedesburg | 52652 | Henry |
| Swisher | 52338 | Johnson |
| Tabor | 51653 | Fremont |
| Tama | 52339 | Tama |
| Teeds Grove | 52771 | Clinton |
| Templeton | 51463 | Carroll |
| Terril | 51364 | Dickinson |
| Thayer | 50254 | Union |
| Thompson | 50478 | Winnebago |
| Thor | 50591 | Humboldt |
| Thornburg | 50255 | Keokuk |
| Thornton | 50479 | Cerro Gordo |
| Thurman | 51654 | Fremont |
| Tiffin | 52340 | Johnson |
| Tingley | 50863 | Ringgold |
| Tipton | 52772 | Cedar |
| Titonka | 50480 | Kossuth |
| Toddville | 52341 | Linn |
| Toeterville | 50481 | Mitchell |
| Toledo | 52342 | Tama |
| Tracy | 50256 | Marion |
| Traer | 50675 | Tama |
| Treynor | 51575 | Pottawattamie |
| Tripoli | 50676 | Bremer |
| Troy Mills | 52344 | Linn |
| Truesdale | 50592 | Buena Vista |
| Truro | 50257 | Madison |
| Udell | 52593 | Appanoose |
| Underwood | 51576 | Pottawattamie |
| Union | 50258 | Hardin |
| Unionville | 52594 | Appanoose |
| University Park | 52595 | Mahaska |
| Urbana | 52345 | Benton |
| Urbandale | 50323 | Dallas |
| Urbandale | 50322 | Polk |
| Urbandale | 50398 | Polk |
| Ute | 51060 | Monona |
| Vail | 51465 | Crawford |
| Van Horne | 52346 | Benton |
| Van Meter | 50261 | Madison |
| Van Wert | 50262 | Decatur |
| Varina | 50593 | Pocahontas |
| Ventura | 50482 | Cerro Gordo |
| Victor | 52347 | Iowa |
| Villisca | 50864 | Montgomery |
| Vincent | 50594 | Webster |
| Vining | 52348 | Tama |
| Vinton | 52349 | Benton |
| Viola | 52350 | Linn |
| Volga | 52077 | Clayton |
| Wadena | 52169 | Fayette |
| Walcott | 52773 | Scott |
| Walford | 52351 | Benton |
| Walker | 52352 | Linn |
| Wall Lake | 51466 | Sac |
| Wallingford | 51365 | Emmet |
| Walnut | 51577 | Pottawattamie |
| Wapello | 52653 | Louisa |
| Washington | 52353 | Washington |
| Washta | 51061 | Cherokee |
| Waterloo | 50701 | Black Hawk |
| Waterloo | 50702 | Black Hawk |
| Waterloo | 50703 | Black Hawk |
| Waterloo | 50704 | Black Hawk |
| Waterloo | 50706 | Black Hawk |
| Waterville | 52170 | Allamakee |
| Watkins | 52354 | Benton |
| Waucoma | 52171 | Fayette |
| Waukee | 50263 | Dallas |
| Waukon | 52172 | Allamakee |
| Waverly | 50677 | Bremer |
| Wayland | 52654 | Henry |
| Webb | 51366 | Clay |
| Webster | 52355 | Keokuk |
| Webster City | 50595 | Hamilton |
| Weldon | 50264 | Decatur |
| Wellman | 52356 | Washington |
| Wellsburg | 50680 | Grundy |
| Welton | 52774 | Clinton |
| Wesley | 50483 | Kossuth |
| West Bend | 50597 | Palo Alto |
| West Branch | 52358 | Cedar |
| West Burlington | 52655 | Des Moines |
| West Chester | 52359 | Washington |
| West Des Moines | 50266 | Dallas |
| West Des Moines | 50265 | Polk |
| West Grove | 52538 | Davis |
| West Liberty | 52776 | Muscatine |
| West Point | 52656 | Lee |
| West Union | 52175 | Fayette |
| Westfield | 51062 | Plymouth |
| Westgate | 50681 | Fayette |
| Westphalia | 51578 | Shelby |
| Westside | 51467 | Crawford |
| Wever | 52658 | Lee |
| What Cheer | 50268 | Keokuk |
| Wheatland | 52777 | Clinton |
| Whiting | 51063 | Monona |
| Whittemore | 50598 | Kossuth |
| Whitten | 50269 | Hardin |
| Williams | 50271 | Hamilton |
| Williamsburg | 52361 | Iowa |
| Williamson | 50272 | Lucas |
| Wilton | 52778 | Muscatine |
| Windsor Heights | 50324 | Polk |
| Winfield | 52659 | Henry |
| Winterset | 50273 | Madison |
| Winthrop | 50682 | Buchanan |
| Wiota | 50274 | Cass |
| Woden | 50484 | Hancock |
| Woodbine | 51579 | Harrison |
| Woodburn | 50275 | Clarke |
| Woodward | 50276 | Dallas |
| Woolstock | 50599 | Wright |
| Worthington | 52078 | Dubuque |
| Wyoming | 52362 | Jones |
| Yale | 50277 | Guthrie |
| Yarmouth | 52660 | Des Moines |
| Yorktown | 51656 | Page |
| Zearing | 50278 | Story |
| Zwingle | 52079 | Jackson |
