Iowa ZIP Codes
Iowa has 1,054 ZIP codes in use: 901 for street addresses, 111 PO box only and 42 for single organizations, numbered from 50001 to 52809 (USPS, October 2026).
Most searched towns in Iowa
- Des Moines 58 ZIPs: 50307, 50308, 50309
- Cedar Rapids 14 ZIPs: 52401, 52402, 52403
- Davenport 9 ZIPs: 52801, 52802, 52803
- Sioux City 9 ZIPs: 51101, 51103, 51104
- Iowa City 6 ZIPs: 52240, 52242, 52245
- Ankeny 2 ZIPs: 50021, 50023
- West Des Moines 2 ZIPs: 50265, 50266
- Ames 5 ZIPs: 50010, 50014
- Waterloo 4 ZIPs: 50701, 50702, 50703
- Council Bluffs 3 ZIPs: 51501, 51503
- Dubuque 5 ZIPs: 52001, 52002, 52003
- Urbandale 3 ZIPs: 50322, 50323
- Marion 1 ZIP: 52302
- Cedar Falls 2 ZIPs: 50613
- Bettendorf 1 ZIP: 52722
Ranked by population until search data exists.
Iowa ZIP codes by county
Adair County ZIP codes
- 50002 Adair
- 50837 Bridgewater
- 50846 Fontanelle
- 50849 Greenfield
- 50858 Orient
Adams County ZIP codes
- 50839 Carbon
- 50841 Corning
- 50857 Nodaway
- 50859 Prescott
Allamakee County ZIP codes
- 52140 Dorchester
- 52146 Harpers Ferry
- 52151 Lansing
- 52160 New Albin
- 52162 Postville
- 52170 Waterville
- 52172 Waukon
Appanoose County ZIP codes
- 52544 Centerville
- 52549 Cincinnati
- 52555 Exline
- 52571 Moravia
- 52572 Moulton
- 52574 Mystic
- 52581 Plano
- 52593 Udell
- 52594 Unionville
Audubon County ZIP codes
- 50025 Audubon
- 50042 Brayton
- 50076 Exira
- 50110 Gray
- 50117 Hamlin
- 51543 Kimballton
Benton County ZIP codes
- 52206 Atkins
- 52208 Belle Plaine
- 52209 Blairstown
- 52229 Garrison
- 52249 Keystone
- 52257 Luzerne
- 52313 Mount Auburn
- 52315 Newhall
- 52318 Norway
- 52332 Shellsburg
- 52345 Urbana
- 52346 Van Horne
- 52349 Vinton
- 52351 Walford
- 52354 Watkins
Black Hawk County ZIP codes
- 50613 Cedar Falls
- 50614 Cedar Falls
- 50623 Dewar
- 50626 Dunkerton
- 50634 Gilbertville
- 50643 Hudson
- 50651 La Porte City
- 50667 Raymond
- 50701 Waterloo
- 50702 Waterloo
- 50703 Waterloo
- 50704 Waterloo
- 50707 Evansdale
Boone County ZIP codes
- 50031 Beaver
- 50036 Boone
- 50037 Boone
- 50040 Boxholm
- 50099 Boone
- 50152 Luther
- 50156 Madrid
- 50212 Ogden
- 50223 Pilot Mound
Bremer County ZIP codes
- 50622 Denver
- 50631 Frederika
- 50647 Janesville
- 50666 Plainfield
- 50668 Readlyn
- 50674 Sumner
- 50676 Tripoli
- 50677 Waverly
Buchanan County ZIP codes
- 50607 Aurora
- 50629 Fairbank
- 50641 Hazleton
- 50644 Independence
- 50648 Jesup
- 50650 Lamont
- 50671 Stanley
- 50682 Winthrop
- 52210 Brandon
- 52326 Quasqueton
- 52329 Rowley
Buena Vista County ZIP codes
- 50510 Albert City
- 50565 Marathon
- 50568 Newell
- 50576 Rembrandt
- 50585 Sioux Rapids
- 50588 Storm Lake
- 50592 Truesdale
- 51002 Alta
- 51033 Linn Grove
Butler County ZIP codes
- 50602 Allison
- 50604 Aplington
- 50605 Aredale
- 50608 Austinville
- 50611 Bristow
- 50619 Clarksville
- 50625 Dumont
- 50636 Greene
- 50649 Kesley
- 50660 New Hartford
- 50665 Parkersburg
- 50670 Shell Rock
Calhoun County ZIP codes
- 50538 Farnhamville
- 50551 Jolley
- 50552 Knierim
- 50563 Manson
- 50575 Pomeroy
- 50579 Rockwell City
- 50586 Somers
- 51449 Lake City
- 51453 Lohrville
Carroll County ZIP codes
- 50058 Coon Rapids
- 51401 Carroll
- 51430 Arcadia
- 51436 Breda
- 51440 Dedham
- 51443 Glidden
- 51444 Halbur
- 51451 Lanesboro
- 51452 Lidderdale
- 51455 Manning
- 51459 Ralston
- 51463 Templeton
Cass County ZIP codes
- 50020 Anita
- 50022 Atlantic
- 50274 Wiota
- 50843 Cumberland
- 50853 Massena
- 51535 Griswold
- 51544 Lewis
- 51552 Marne
Cedar County ZIP codes
- 52216 Clarence
- 52255 Lowden
- 52306 Mechanicsville
- 52337 Stanwood
- 52358 West Branch
- 52721 Bennett
- 52747 Durant
- 52772 Tipton
Cerro Gordo County ZIP codes
- 50401 Mason City
- 50402 Mason City
- 50428 Clear Lake
- 50433 Dougherty
- 50457 Meservey
- 50464 Plymouth
- 50467 Rock Falls
- 50469 Rockwell
- 50477 Swaledale
- 50479 Thornton
- 50482 Ventura
Cherokee County ZIP codes
- 51005 Aurelia
- 51012 Cherokee
- 51014 Cleghorn
- 51029 Larrabee
- 51035 Marcus
- 51037 Meriden
- 51049 Quimby
- 51061 Washta
Chickasaw County ZIP codes
- 50603 Alta Vista
- 50630 Fredericksburg
- 50645 Ionia
- 50658 Nashua
- 50659 New Hampton
- 50661 North Washington
- 52154 Lawler
Clarke County ZIP codes
- 50174 Murray
- 50213 Osceola
- 50275 Woodburn
Clay County ZIP codes
- 51047 Peterson
- 51301 Spencer
- 51333 Dickens
- 51338 Everly
- 51340 Fostoria
- 51341 Gillett Grove
- 51343 Greenville
- 51357 Royal
- 51366 Webb
Clayton County ZIP codes
- 52042 Edgewood
- 52043 Elkader
- 52044 Elkport
- 52047 Farmersburg
- 52048 Garber
- 52049 Garnavillo
- 52052 Guttenberg
- 52066 North Buena Vista
- 52072 Saint Olaf
- 52076 Strawberry Point
- 52077 Volga
- 52156 Luana
- 52157 Mc Gregor
- 52158 Marquette
- 52159 Monona
Clinton County ZIP codes
- 52037 Delmar
- 52254 Lost Nation
- 52701 Andover
- 52727 Bryant
- 52729 Calamus
- 52730 Camanche
- 52731 Charlotte
- 52732 Clinton
- 52733 Clinton
- 52734 Clinton
- 52736 Clinton
- 52742 De Witt
- 52750 Goose Lake
- 52751 Grand Mound
- 52757 Low Moor
- 52771 Teeds Grove
- 52774 Welton
- 52777 Wheatland
Crawford County ZIP codes
- 51432 Aspinwall
- 51439 Charter Oak
- 51441 Deloit
- 51442 Denison
- 51448 Kiron
- 51454 Manilla
- 51460 Ricketts
- 51461 Schleswig
- 51465 Vail
- 51467 Westside
- 51520 Arion
- 51528 Dow City
Dallas County ZIP codes
- 50003 Adel
- 50038 Booneville
- 50039 Bouton
- 50063 Dallas Center
- 50066 Dawson
- 50069 De Soto
- 50070 Dexter
- 50109 Granger
- 50146 Linden
- 50167 Minburn
- 50220 Perry
- 50233 Redfield
- 50261 Van Meter
- 50263 Waukee
- 50266 West Des Moines
- 50276 Woodward
- 50323 Urbandale
Davis County ZIP codes
- 52537 Bloomfield
- 52552 Drakesville
- 52560 Floris
- 52584 Pulaski
Decatur County ZIP codes
- 50065 Davis City
- 50067 Decatur
- 50103 Garden Grove
- 50108 Grand River
- 50140 Lamoni
- 50144 Leon
- 50262 Van Wert
- 50264 Weldon
Delaware County ZIP codes
- 50654 Masonville
- 52035 Colesburg
- 52036 Delaware
- 52038 Dundee
- 52041 Earlville
- 52050 Greeley
- 52057 Manchester
- 52223 Delhi
- 52237 Hopkinton
- 52330 Ryan
Des Moines County ZIP codes
- 52601 Burlington
- 52623 Danville
- 52637 Mediapolis
- 52638 Middletown
- 52650 Sperry
- 52655 West Burlington
- 52660 Yarmouth
Dickinson County ZIP codes
- 51331 Arnolds Park
- 51347 Lake Park
- 51351 Milford
- 51355 Okoboji
- 51360 Spirit Lake
- 51363 Superior
- 51364 Terril
Dubuque County ZIP codes
Emmet County ZIP codes
- 50514 Armstrong
- 50531 Dolliver
- 50578 Ringsted
- 51334 Estherville
- 51365 Wallingford
Fayette County ZIP codes
- 50606 Arlington
- 50655 Maynard
- 50662 Oelwein
- 50664 Oran
- 50681 Westgate
- 52135 Clermont
- 52141 Elgin
- 52142 Fayette
- 52147 Hawkeye
- 52164 Randalia
- 52166 Saint Lucas
- 52169 Wadena
- 52171 Waucoma
- 52175 West Union
Floyd County ZIP codes
- 50435 Floyd
- 50458 Nora Springs
- 50468 Rockford
- 50471 Rudd
- 50616 Charles City
- 50620 Colwell
- 50653 Marble Rock
Franklin County ZIP codes
- 50041 Bradford
- 50227 Popejoy
- 50420 Alexander
- 50427 Chapin
- 50431 Coulter
- 50441 Hampton
- 50452 Latimer
- 50475 Sheffield
- 50633 Geneva
Fremont County ZIP codes
- 51639 Farragut
- 51640 Hamburg
- 51645 Imogene
- 51648 Percival
- 51649 Randolph
- 51650 Riverton
- 51652 Sidney
- 51653 Tabor
- 51654 Thurman
Greene County ZIP codes
- 50050 Churdan
- 50059 Cooper
- 50064 Dana
- 50107 Grand Junction
- 50129 Jefferson
- 50217 Paton
- 50235 Rippey
- 51462 Scranton
Grundy County ZIP codes
- 50609 Beaman
- 50621 Conrad
- 50624 Dike
- 50638 Grundy Center
- 50642 Holland
- 50657 Morrison
- 50669 Reinbeck
- 50673 Stout
- 50680 Wellsburg
Guthrie County ZIP codes
- 50026 Bagley
- 50029 Bayard
- 50048 Casey
- 50115 Guthrie Center
- 50128 Jamaica
- 50164 Menlo
- 50216 Panora
- 50250 Stuart
- 50277 Yale
Hamilton County ZIP codes
- 50034 Blairsburg
- 50075 Ellsworth
- 50130 Jewell
- 50132 Kamrar
- 50231 Randall
- 50246 Stanhope
- 50249 Stratford
- 50271 Williams
- 50595 Webster City
Hancock County ZIP codes
- 50423 Britt
- 50430 Corwith
- 50432 Crystal Lake
- 50438 Garner
- 50439 Goodell
- 50447 Kanawha
- 50449 Klemme
- 50484 Woden
Hardin County ZIP codes
- 50006 Alden
- 50043 Buckeye
- 50102 Garden City
- 50122 Hubbard
- 50126 Iowa Falls
- 50206 New Providence
- 50230 Radcliffe
- 50258 Union
- 50259 Gifford
- 50269 Whitten
- 50601 Ackley
- 50627 Eldora
- 50672 Steamboat Rock
Harrison County ZIP codes
- 51529 Dunlap
- 51545 Little Sioux
- 51546 Logan
- 51550 Magnolia
- 51555 Missouri Valley
- 51556 Modale
- 51557 Mondamin
- 51563 Persia
- 51564 Pisgah
- 51579 Woodbine
Henry County ZIP codes
- 52630 Hillsboro
- 52641 Mount Pleasant
- 52642 Rome
- 52644 Mount Union
- 52645 New London
- 52647 Olds
- 52649 Salem
- 52652 Swedesburg
- 52654 Wayland
- 52659 Winfield
Howard County ZIP codes
- 50466 Riceville
- 50628 Elma
- 52134 Chester
- 52136 Cresco
- 52155 Lime Springs
- 52163 Protivin
Humboldt County ZIP codes
- 50519 Bode
- 50520 Bradgate
- 50529 Dakota City
- 50541 Gilmore City
- 50545 Hardy
- 50548 Humboldt
- 50558 Livermore
- 50570 Ottosen
- 50577 Renwick
- 50582 Rutland
- 50591 Thor
Ida County ZIP codes
- 51006 Battle Creek
- 51020 Galva
- 51025 Holstein
- 51431 Arthur
- 51445 Ida Grove
Iowa County ZIP codes
- 52203 Amana
- 52220 Conroy
- 52236 Homestead
- 52251 Ladora
- 52301 Marengo
- 52307 Middle Amana
- 52308 Millersburg
- 52316 North English
- 52325 Parnell
- 52334 South Amana
- 52347 Victor
- 52361 Williamsburg
Jackson County ZIP codes
- 52030 Andrew
- 52031 Bellevue
- 52032 Bernard
- 52054 La Motte
- 52060 Maquoketa
- 52064 Miles
- 52069 Preston
- 52070 Sabula
- 52071 Saint Donatus
- 52074 Spragueville
- 52075 Springbrook
- 52079 Zwingle
- 52207 Baldwin
- 52309 Monmouth
Jasper County ZIP codes
- 50028 Baxter
- 50054 Colfax
- 50127 Ira
- 50135 Kellogg
- 50137 Killduff
- 50153 Lynnville
- 50168 Mingo
- 50170 Monroe
- 50208 Newton
- 50228 Prairie City
- 50232 Reasnor
- 50251 Sully
Jefferson County ZIP codes
- 52533 Batavia
- 52556 Fairfield
- 52557 Fairfield
- 52567 Libertyville
- 52580 Packwood
- 52635 Lockridge
Johnson County ZIP codes
Jones County ZIP codes
- 52205 Anamosa
- 52212 Center Junction
- 52252 Langworthy
- 52305 Martelle
- 52310 Monticello
- 52312 Morley
- 52320 Olin
- 52321 Onslow
- 52323 Oxford Junction
- 52362 Wyoming
Keokuk County ZIP codes
- 50104 Gibson
- 50136 Keswick
- 50255 Thornburg
- 50268 What Cheer
- 52231 Harper
- 52248 Keota
- 52335 South English
- 52355 Webster
- 52550 Delta
- 52562 Hayesville
- 52563 Hedrick
- 52568 Martinsburg
- 52576 Ollie
- 52585 Richland
- 52591 Sigourney
Kossuth County ZIP codes
- 50451 Lakota
- 50480 Titonka
- 50483 Wesley
- 50511 Algona
- 50517 Bancroft
- 50522 Burt
- 50539 Fenton
- 50556 Ledyard
- 50559 Lone Rock
- 50560 Lu Verne
- 50590 Swea City
- 50598 Whittemore
Lee County ZIP codes
- 52619 Argyle
- 52624 Denmark
- 52625 Donnellson
- 52627 Fort Madison
- 52631 Houghton
- 52632 Keokuk
- 52639 Montrose
- 52648 Pilot Grove
- 52656 West Point
- 52657 Saint Paul
- 52658 Wever
Linn County ZIP codes
- 52202 Alburnett
- 52213 Center Point
- 52214 Central City
- 52218 Coggon
- 52219 Prairieburg
- 52227 Ely
- 52228 Fairfax
- 52233 Hiawatha
- 52253 Lisbon
- 52302 Marion
- 52314 Mount Vernon
- 52324 Palo
- 52328 Robins
- 52336 Springville
- 52341 Toddville
- 52344 Troy Mills
- 52352 Walker
- 52401 Cedar Rapids
- 52402 Cedar Rapids
- 52403 Cedar Rapids
- 52404 Cedar Rapids
- 52405 Cedar Rapids
- 52406 Cedar Rapids
- 52407 Cedar Rapids
- 52408 Cedar Rapids
- 52409 Cedar Rapids
- 52410 Cedar Rapids
- 52411 Cedar Rapids
- 52497 Cedar Rapids
- 52498 Cedar Rapids
- 52499 Cedar Rapids
Louisa County ZIP codes
- 52640 Morning Sun
- 52646 Oakville
- 52653 Wapello
- 52737 Columbus City
- 52738 Columbus Junction
- 52752 Grandview
- 52754 Letts
Lucas County ZIP codes
- 50049 Chariton
- 50068 Derby
- 50151 Lucas
- 50238 Russell
- 50272 Williamson
Lyon County ZIP codes
- 51230 Alvord
- 51235 Doon
- 51237 George
- 51240 Inwood
- 51241 Larchwood
- 51242 Lester
- 51243 Little Rock
- 51246 Rock Rapids
Madison County ZIP codes
- 50033 Bevington
- 50072 Earlham
- 50155 Macksburg
- 50218 Patterson
- 50222 Peru
- 50240 Saint Charles
- 50257 Truro
- 50273 Winterset
Mahaska County ZIP codes
- 50027 Barnes City
- 50143 Leighton
- 50207 New Sharon
- 52534 Beacon
- 52543 Cedar
- 52561 Fremont
- 52577 Oskaloosa
- 52586 Rose Hill
- 52595 University Park
Marion County ZIP codes
- 50044 Bussey
- 50057 Columbia
- 50062 Melcher Dallas
- 50116 Hamilton
- 50119 Harvey
- 50138 Knoxville
- 50163 Melcher Dallas
- 50214 Otley
- 50219 Pella
- 50225 Pleasantville
- 50252 Swan
- 50256 Tracy
Marshall County ZIP codes
- 50005 Albion
- 50051 Clemons
- 50078 Ferguson
- 50106 Gilman
- 50120 Haverhill
- 50141 Laurel
- 50142 Le Grand
- 50148 Liscomb
- 50158 Marshalltown
- 50162 Melbourne
- 50234 Rhodes
- 50239 Saint Anthony
- 50247 State Center
Mills County ZIP codes
- 51533 Emerson
- 51534 Glenwood
- 51540 Hastings
- 51541 Henderson
- 51551 Malvern
- 51554 Mineola
- 51561 Pacific Junction
- 51571 Silver City
Mitchell County ZIP codes
- 50426 Carpenter
- 50454 Little Cedar
- 50455 Mc Intire
- 50460 Orchard
- 50461 Osage
- 50472 Saint Ansgar
- 50476 Stacyville
- 50481 Toeterville
Monona County ZIP codes
- 51010 Castana
- 51034 Mapleton
- 51040 Onawa
- 51051 Rodney
- 51060 Ute
- 51063 Whiting
- 51523 Blencoe
- 51558 Moorhead
- 51572 Soldier
Monroe County ZIP codes
- 50150 Lovilia
- 52531 Albia
- 52569 Melrose
Montgomery County ZIP codes
- 50847 Grant
- 50864 Villisca
- 51532 Elliott
- 51566 Red Oak
- 51573 Stanton
- 51591 Red Oak
Muscatine County ZIP codes
- 52720 Atalissa
- 52739 Conesville
- 52749 Fruitland
- 52759 Montpelier
- 52760 Moscow
- 52761 Muscatine
- 52766 Nichols
- 52769 Stockton
- 52776 West Liberty
- 52778 Wilton
O'Brien County ZIP codes
- 51009 Calumet
- 51046 Paullina
- 51058 Sutherland
- 51201 Sheldon
- 51231 Archer
- 51245 Primghar
- 51248 Sanborn
- 51346 Hartley
Osceola County ZIP codes
- 51232 Ashton
- 51249 Sibley
- 51345 Harris
- 51350 Melvin
- 51354 Ocheyedan
Page County ZIP codes
- 51601 Shenandoah
- 51603 Shenandoah
- 51630 Blanchard
- 51631 Braddyville
- 51632 Clarinda
- 51636 Coin
- 51637 College Springs
- 51638 Essex
- 51647 Northboro
- 51651 Shambaugh
- 51656 Yorktown
Palo Alto County ZIP codes
- 50515 Ayrshire
- 50527 Curlew
- 50528 Cylinder
- 50536 Emmetsburg
- 50562 Mallard
- 50597 West Bend
- 51342 Graettinger
- 51358 Ruthven
Plymouth County ZIP codes
- 51001 Akron
- 51008 Brunsville
- 51024 Hinton
- 51028 Kingsley
- 51031 Le Mars
- 51038 Merrill
- 51045 Oyens
- 51050 Remsen
- 51062 Westfield
Pocahontas County ZIP codes
- 50540 Fonda
- 50546 Havelock
- 50554 Laurens
- 50571 Palmer
- 50573 Plover
- 50574 Pocahontas
- 50581 Rolfe
- 50593 Varina
Polk County ZIP codes
- 50007 Alleman
- 50009 Altoona
- 50021 Ankeny
- 50023 Ankeny
- 50032 Berwick
- 50035 Bondurant
- 50073 Elkhart
- 50111 Grimes
- 50131 Johnston
- 50169 Mitchellville
- 50226 Polk City
- 50237 Runnells
- 50243 Sheldahl
- 50265 West Des Moines
- 50301 Des Moines
- 50302 Des Moines
- 50303 Des Moines
- 50304 Des Moines
- 50305 Des Moines
- 50306 Des Moines
- 50307 Des Moines
- 50308 Des Moines
- 50309 Des Moines
- 50310 Des Moines
- 50311 Des Moines
- 50312 Des Moines
- 50313 Des Moines
- 50314 Des Moines
- 50315 Des Moines
- 50316 Des Moines
- 50317 Des Moines
- 50318 Des Moines
- 50319 Des Moines
- 50320 Des Moines
- 50321 Des Moines
- 50322 Urbandale
- 50324 Windsor Heights
- 50325 Clive
- 50327 Pleasant Hill
- 50328 Des Moines
- 50329 Des Moines
- 50330 Des Moines
- 50331 Des Moines
- 50332 Des Moines
- 50333 Des Moines
- 50334 Des Moines
- 50335 Des Moines
- 50336 Des Moines
- 50339 Des Moines
- 50340 Des Moines
- 50359 Des Moines
- 50360 Des Moines
- 50361 Des Moines
- 50362 Des Moines
- 50363 Des Moines
- 50364 Des Moines
- 50367 Des Moines
- 50368 Des Moines
- 50369 Des Moines
- 50380 Des Moines
- 50381 Des Moines
- 50391 Des Moines
- 50392 Des Moines
- 50393 Des Moines
- 50394 Des Moines
- 50395 Des Moines
- 50396 Des Moines
- 50398 Urbandale
- 50936 Des Moines
- 50940 Des Moines
- 50947 Des Moines
- 50950 Des Moines
- 50980 Des Moines
- 50981 Des Moines
- 50982 Des Moines
- 50983 Des Moines
Pottawattamie County ZIP codes
- 51501 Council Bluffs
- 51502 Council Bluffs
- 51503 Council Bluffs
- 51510 Carter Lake
- 51521 Avoca
- 51525 Carson
- 51526 Crescent
- 51536 Hancock
- 51542 Honey Creek
- 51548 Mc Clelland
- 51549 Macedonia
- 51553 Minden
- 51559 Neola
- 51560 Oakland
- 51575 Treynor
- 51576 Underwood
- 51577 Walnut
- 51593 Harlan
Poweshiek County ZIP codes
- 50112 Grinnell
- 50157 Malcom
- 50171 Montezuma
- 50242 Searsboro
- 52211 Brooklyn
- 52221 Guernsey
- 52222 Deep River
- 52232 Hartwick
Ringgold County ZIP codes
- 50074 Ellston
- 50133 Kellerton
- 50835 Benton
- 50845 Diagonal
- 50854 Mount Ayr
- 50860 Redding
- 50863 Tingley
Sac County ZIP codes
- 50535 Early
- 50561 Lytton
- 50567 Nemaha
- 50583 Sac City
- 51053 Schaller
- 51433 Auburn
- 51450 Lake View
- 51458 Odebolt
- 51466 Wall Lake
Scott County ZIP codes
- 52722 Bettendorf
- 52726 Blue Grass
- 52728 Buffalo
- 52745 Dixon
- 52746 Donahue
- 52748 Eldridge
- 52753 Le Claire
- 52756 Long Grove
- 52758 Mc Causland
- 52765 New Liberty
- 52767 Pleasant Valley
- 52768 Princeton
- 52773 Walcott
- 52801 Davenport
- 52802 Davenport
- 52803 Davenport
- 52804 Davenport
- 52805 Davenport
- 52806 Davenport
- 52807 Davenport
- 52808 Davenport
- 52809 Davenport
Shelby County ZIP codes
- 51446 Irwin
- 51447 Kirkman
- 51527 Defiance
- 51530 Earling
- 51531 Elk Horn
- 51537 Harlan
- 51562 Panama
- 51565 Portsmouth
- 51570 Shelby
- 51578 Westphalia
Sioux County ZIP codes
- 51003 Alton
- 51011 Chatsworth
- 51022 Granville
- 51023 Hawarden
- 51027 Ireton
- 51036 Maurice
- 51041 Orange City
- 51234 Boyden
- 51238 Hospers
- 51239 Hull
- 51244 Matlock
- 51247 Rock Valley
- 51250 Sioux Center
Story County ZIP codes
Tama County ZIP codes
- 50173 Montour
- 50612 Buckingham
- 50632 Garwin
- 50635 Gladbrook
- 50652 Lincoln
- 50675 Traer
- 52215 Chelsea
- 52217 Clutier
- 52224 Dysart
- 52225 Elberon
- 52339 Tama
- 52342 Toledo
- 52348 Vining
Taylor County ZIP codes
- 50833 Bedford
- 50836 Blockton
- 50840 Clearfield
- 50848 Gravity
- 50851 Lenox
- 50862 Sharpsburg
- 51646 New Market
Union County ZIP codes
- 50149 Lorimor
- 50254 Thayer
- 50801 Creston
- 50830 Afton
- 50831 Arispe
- 50842 Cromwell
- 50861 Shannon City
Van Buren County ZIP codes
- 52535 Birmingham
- 52542 Cantril
- 52551 Douds
- 52565 Keosauqua
- 52570 Milton
- 52573 Mount Sterling
- 52588 Selma
- 52620 Bonaparte
- 52626 Farmington
- 52651 Stockport
Wapello County ZIP codes
- 52501 Ottumwa
- 52530 Agency
- 52536 Blakesburg
- 52548 Chillicothe
- 52553 Eddyville
- 52554 Eldon
- 52566 Kirkville
Warren County ZIP codes
- 50001 Ackworth
- 50047 Carlisle
- 50061 Cumming
- 50118 Hartford
- 50125 Indianola
- 50139 Lacona
- 50145 Liberty Center
- 50160 Martensdale
- 50166 Milo
- 50210 New Virginia
- 50211 Norwalk
- 50229 Prole
- 50241 Saint Marys
Washington County ZIP codes
- 52201 Ainsworth
- 52247 Kalona
- 52327 Riverside
- 52353 Washington
- 52356 Wellman
- 52359 West Chester
- 52540 Brighton
- 52621 Crawfordsville
Wayne County ZIP codes
- 50008 Allerton
- 50052 Clio
- 50060 Corydon
- 50123 Humeston
- 50147 Lineville
- 50165 Millerton
- 52583 Promise City
- 52590 Seymour
Webster County ZIP codes
- 50501 Fort Dodge
- 50516 Badger
- 50518 Barnum
- 50521 Burnside
- 50523 Callender
- 50524 Clare
- 50530 Dayton
- 50532 Duncombe
- 50543 Gowrie
- 50544 Harcourt
- 50557 Lehigh
- 50566 Moorland
- 50569 Otho
- 50594 Vincent
Winnebago County ZIP codes
- 50424 Buffalo Center
- 50436 Forest City
- 50450 Lake Mills
- 50453 Leland
- 50465 Rake
- 50473 Scarville
- 50478 Thompson
Winneshiek County ZIP codes
- 52101 Decorah
- 52132 Calmar
- 52133 Castalia
- 52144 Fort Atkinson
- 52149 Highlandville
- 52161 Ossian
- 52165 Ridgeway
- 52168 Spillville
Woodbury County ZIP codes
- 51004 Anthon
- 51007 Bronson
- 51015 Climbing Hill
- 51016 Correctionville
- 51018 Cushing
- 51019 Danbury
- 51026 Hornick
- 51030 Lawton
- 51039 Moville
- 51044 Oto
- 51048 Pierson
- 51052 Salix
- 51054 Sergeant Bluff
- 51055 Sloan
- 51056 Smithland
- 51101 Sioux City
- 51102 Sioux City
- 51103 Sioux City
- 51104 Sioux City
- 51105 Sioux City
- 51106 Sioux City
- 51108 Sioux City
- 51109 Sioux City
- 51111 Sioux City
Worth County ZIP codes
- 50434 Fertile
- 50440 Grafton
- 50444 Hanlontown
- 50446 Joice
- 50448 Kensett
- 50456 Manly
- 50459 Northwood
Wright County ZIP codes
- 50071 Dows
- 50101 Galt
- 50421 Belmond
- 50470 Rowan
- 50525 Clarion
- 50526 Clarion
- 50533 Eagle Grove
- 50542 Goldfield
- 50599 Woolstock
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections