Zip Codes in Iowa 2026

Iowa Zip codes starts with digit '5', first digit represent the group of states, and Wisconsin, Iowa, Minnesota, North Dakota, Montana and South Dakota will have the first digit as Five, all the US zip codes are five digit codes. The second and third digits represent a region in that group, such as a large city. By 2026, The general system of the Iowa ZIP codes used today was implemented in 1963. ZIP is an acronym for Zone Improvement Plan. As per 2026, The most popular zip codes of Iowa are Des Moines is 500, 501, 502, 503, 509, Mason City is 504, Fort Dodge is 505, Waterloo is 506, 507, Creston is 508, Sioux City is 510, 511, Sheldon is 512, Spencer is 513, Carroll is 514, Council Bluffs is 515, Shenandoah is 516, Dubuque is 520, Decorah is 521, Cedar Rapids is 522, 523, 524, Ottumwa is 525, Burlington is 526 and Davenport is 527, 528.

Iowa Cities	Zip Starts with
Des Moines	500, 501, 502, 503, 509
Mason City	504
Fort Dodge	505
Waterloo	506, 507
Creston	508
Sioux City	510, 511
Sheldon	512
Spencer	513
Carroll	514
Council Bluffs	515
Shenandoah	516
Dubuque	520
Decorah	521
Cedar Rapids	522, 523, 524
Ottumwa	525
Burlington	526
Davenport	527, 528

Below is the list of Iowa Zip Codes:

Zip	City	County	Type
50001	Ackworth	Warren	Standard
50002	Adair	Adair	Standard
50003	Adel	Dallas	Standard
50005	Albion	Marshall	Standard
50006	Alden	Hardin	Standard
50007	Alleman	Polk	Standard
50008	Allerton	Wayne	Standard
50009	Altoona	Polk	Standard
50010	Ames	Story	Standard
50011	Ames	Story	Unique
50012	Ames	Story	Unique
50013	Ames	Story	Unique
50014	Ames	Story	Standard
50020	Anita	Cass	Standard
50021	Ankeny	Polk	Standard
50022	Atlantic	Cass	Standard
50023	Ankeny	Polk	Standard
50025	Audubon	Audubon	Standard
50026	Bagley	Guthrie	Standard
50027	Barnes City	Mahaska	Standard
50028	Baxter	Jasper	Standard
50029	Bayard	Guthrie	Standard
50031	Beaver	Boone	P.O. Box
50032	Berwick	Polk	P.O. Box
50033	Bevington	Madison	Standard
50034	Blairsburg	Hamilton	Standard
50035	Bondurant	Polk	Standard
50036	Boone	Boone	Standard
50037	Boone	Boone	P.O. Box
50038	Booneville	Dallas	Standard
50039	Bouton	Dallas	Standard
50040	Boxholm	Boone	P.O. Box
50041	Bradford	Franklin	P.O. Box
50042	Brayton	Audubon	Standard
50043	Buckeye	Hardin	P.O. Box
50044	Bussey	Marion	Standard
50046	Cambridge	Story	Standard
50047	Carlisle	Warren	Standard
50048	Casey	Guthrie	Standard
50049	Chariton	Lucas	Standard
50050	Churdan	Greene	Standard
50051	Clemons	Marshall	Standard
50052	Clio	Wayne	Standard
50054	Colfax	Jasper	Standard
50055	Collins	Story	Standard
50056	Colo	Story	Standard
50057	Columbia	Marion	Standard
50058	Coon Rapids	Carroll	Standard
50059	Cooper	Greene	Standard
50060	Corydon	Wayne	Standard
50061	Cumming	Warren	Standard
50062	Melcher Dallas	Marion	Standard
50063	Dallas Center	Dallas	Standard
50064	Dana	Greene	Standard
50065	Davis City	Decatur	Standard
50066	Dawson	Dallas	Standard
50067	Decatur	Decatur	Standard
50068	Derby	Lucas	Standard
50069	De Soto	Dallas	Standard
50070	Dexter	Dallas	Standard
50071	Dows	Wright	Standard
50072	Earlham	Madison	Standard
50073	Elkhart	Polk	Standard
50074	Ellston	Ringgold	Standard
50075	Ellsworth	Hamilton	Standard
50076	Exira	Audubon	Standard
50078	Ferguson	Marshall	P.O. Box
50099	Boone	Boone	P.O. Box
50101	Galt	Wright	Standard
50102	Garden City	Hardin	P.O. Box
50103	Garden Grove	Decatur	Standard
50104	Gibson	Keokuk	Standard
50105	Gilbert	Story	Standard
50106	Gilman	Marshall	Standard
50107	Grand Junction	Greene	Standard
50108	Grand River	Decatur	Standard
50109	Granger	Dallas	Standard
50110	Gray	Audubon	P.O. Box
50111	Grimes	Polk	Standard
50112	Grinnell	Poweshiek	Standard
50115	Guthrie Center	Guthrie	Standard
50116	Hamilton	Marion	Standard
50117	Hamlin	Audubon	Standard
50118	Hartford	Warren	Standard
50119	Harvey	Marion	Standard
50120	Haverhill	Marshall	Standard
50122	Hubbard	Hardin	Standard
50123	Humeston	Wayne	Standard
50124	Huxley	Story	Standard
50125	Indianola	Warren	Standard
50126	Iowa Falls	Hardin	Standard
50127	Ira	Jasper	Standard
50128	Jamaica	Guthrie	Standard
50129	Jefferson	Greene	Standard
50130	Jewell	Hamilton	Standard
50131	Johnston	Polk	Standard
50132	Kamrar	Hamilton	Standard
50133	Kellerton	Ringgold	Standard
50134	Kelley	Story	Standard
50135	Kellogg	Jasper	Standard
50136	Keswick	Keokuk	Standard
50137	Killduff	Jasper	Standard
50138	Knoxville	Marion	Standard
50139	Lacona	Warren	Standard
50140	Lamoni	Decatur	Standard
50141	Laurel	Marshall	Standard
50142	Le Grand	Marshall	P.O. Box
50143	Leighton	Mahaska	Standard
50144	Leon	Decatur	Standard
50145	Liberty Center	Warren	P.O. Box
50146	Linden	Dallas	Standard
50147	Lineville	Wayne	Standard
50148	Liscomb	Marshall	Standard
50149	Lorimor	Union	Standard
50150	Lovilia	Monroe	Standard
50151	Lucas	Lucas	Standard
50152	Luther	Boone	P.O. Box
50153	Lynnville	Jasper	Standard
50154	Mc Callsburg	Story	Standard
50155	Macksburg	Madison	Standard
50156	Madrid	Boone	Standard
50157	Malcom	Poweshiek	Standard
50158	Marshalltown	Marshall	Standard
50160	Martensdale	Warren	Standard
50161	Maxwell	Story	Standard
50162	Melbourne	Marshall	Standard
50163	Melcher Dallas	Marion	P.O. Box
50164	Menlo	Guthrie	Standard
50165	Millerton	Wayne	Standard
50166	Milo	Warren	Standard
50167	Minburn	Dallas	Standard
50168	Mingo	Jasper	Standard
50169	Mitchellville	Polk	Standard
50170	Monroe	Jasper	Standard
50171	Montezuma	Poweshiek	Standard
50173	Montour	Tama	Standard
50174	Murray	Clarke	Standard
50201	Nevada	Story	Standard
50206	New Providence	Hardin	Standard
50207	New Sharon	Mahaska	Standard
50208	Newton	Jasper	Standard
50210	New Virginia	Warren	Standard
50211	Norwalk	Warren	Standard
50212	Ogden	Boone	Standard
50213	Osceola	Clarke	Standard
50214	Otley	Marion	Standard
50216	Panora	Guthrie	Standard
50217	Paton	Greene	Standard
50218	Patterson	Madison	Standard
50219	Pella	Marion	Standard
50220	Perry	Dallas	Standard
50222	Peru	Madison	Standard
50223	Pilot Mound	Boone	Standard
50225	Pleasantville	Marion	Standard
50226	Polk City	Polk	Standard
50227	Popejoy	Franklin	Standard
50228	Prairie City	Jasper	Standard
50229	Prole	Warren	Standard
50230	Radcliffe	Hardin	Standard
50231	Randall	Hamilton	P.O. Box
50232	Reasnor	Jasper	Standard
50233	Redfield	Dallas	Standard
50234	Rhodes	Marshall	Standard
50235	Rippey	Greene	Standard
50236	Roland	Story	Standard
50237	Runnells	Polk	Standard
50238	Russell	Lucas	Standard
50239	Saint Anthony	Marshall	Standard
50240	Saint Charles	Madison	Standard
50241	Saint Marys	Warren	P.O. Box
50242	Searsboro	Poweshiek	Standard
50243	Sheldahl	Polk	P.O. Box
50244	Slater	Story	Standard
50246	Stanhope	Hamilton	Standard
50247	State Center	Marshall	Standard
50248	Story City	Story	Standard
50249	Stratford	Hamilton	Standard
50250	Stuart	Guthrie	Standard
50251	Sully	Jasper	Standard
50252	Swan	Marion	Standard
50254	Thayer	Union	Standard
50255	Thornburg	Keokuk	P.O. Box
50256	Tracy	Marion	Standard
50257	Truro	Madison	Standard
50258	Union	Hardin	Standard
50259	Gifford	Hardin	Standard
50261	Van Meter	Dallas	Standard
50262	Van Wert	Decatur	Standard
50263	Waukee	Dallas	Standard
50264	Weldon	Decatur	Standard
50265	West Des Moines	Polk	Standard
50266	West Des Moines	Polk	Standard
50268	What Cheer	Keokuk	Standard
50269	Whitten	Hardin	P.O. Box
50271	Williams	Hamilton	Standard
50272	Williamson	Lucas	P.O. Box
50273	Winterset	Madison	Standard
50274	Wiota	Cass	Standard
50275	Woodburn	Clarke	Standard
50276	Woodward	Dallas	Standard
50277	Yale	Guthrie	Standard
50278	Zearing	Story	Standard
50301	Des Moines	Polk	P.O. Box
50302	Des Moines	Polk	P.O. Box
50303	Des Moines	Polk	P.O. Box
50304	Des Moines	Polk	P.O. Box
50305	Des Moines	Polk	P.O. Box
50306	Des Moines	Polk	P.O. Box
50307	Des Moines	Polk	Standard
50308	Des Moines	Polk	Standard
50309	Des Moines	Polk	Standard
50310	Des Moines	Polk	Standard
50311	Des Moines	Polk	Standard
50312	Des Moines	Polk	Standard
50313	Des Moines	Polk	Standard
50314	Des Moines	Polk	Standard
50315	Des Moines	Polk	Standard
50316	Des Moines	Polk	Standard
50317	Des Moines	Polk	Standard
50318	Des Moines	Polk	P.O. Box
50319	Des Moines	Polk	Standard
50320	Des Moines	Polk	Standard
50321	Des Moines	Polk	Standard
50322	Urbandale	Polk	Standard
50323	Urbandale	Polk	Standard
50324	Windsor Heights	Polk	Standard
50325	Clive	Polk	Standard
50327	Pleasant Hill	Polk	Standard
50328	Des Moines	Polk	Unique
50329	Des Moines	Polk	Unique
50330	Des Moines	Polk	Unique
50331	Des Moines	Polk	Unique
50332	Des Moines	Polk	Unique
50333	Des Moines	Polk	P.O. Box
50334	Des Moines	Polk	Unique
50335	Des Moines	Polk	Unique
50336	Des Moines	Polk	P.O. Box
50339	Des Moines	Polk	Unique
50340	Des Moines	Polk	P.O. Box
50359	Des Moines	Polk	Unique
50360	Des Moines	Polk	Unique
50361	Des Moines	Polk	Unique
50362	Des Moines	Polk	Unique
50363	Des Moines	Polk	Unique
50364	Des Moines	Polk	Unique
50367	Des Moines	Polk	Unique
50368	Des Moines	Polk	P.O. Box
50369	Des Moines	Polk	Unique
50380	Des Moines	Polk	Unique
50381	Des Moines	Polk	Unique
50391	Des Moines	Polk	Unique
50392	Des Moines	Polk	Unique
50393	Des Moines	Polk	P.O. Box
50394	Des Moines	Polk	P.O. Box
50395	Des Moines	Polk	Standard
50396	Des Moines	Polk	Unique
50398	Urbandale	Polk	Unique
50401	Mason City	Cerro Gordo	Standard
50402	Mason City	Cerro Gordo	P.O. Box
50420	Alexander	Franklin	Standard
50421	Belmond	Wright	Standard
50423	Britt	Hancock	Standard
50424	Buffalo Center	Winnebago	Standard
50426	Carpenter	Mitchell	Standard
50427	Chapin	Franklin	Standard
50428	Clear Lake	Cerro Gordo	Standard
50430	Corwith	Hancock	Standard
50431	Coulter	Franklin	P.O. Box
50432	Crystal Lake	Hancock	P.O. Box
50433	Dougherty	Cerro Gordo	Standard
50434	Fertile	Worth	Standard
50435	Floyd	Floyd	Standard
50436	Forest City	Winnebago	Standard
50438	Garner	Hancock	Standard
50439	Goodell	Hancock	Standard
50440	Grafton	Worth	Standard
50441	Hampton	Franklin	Standard
50444	Hanlontown	Worth	Standard
50446	Joice	Worth	Standard
50447	Kanawha	Hancock	Standard
50448	Kensett	Worth	Standard
50449	Klemme	Hancock	Standard
50450	Lake Mills	Winnebago	Standard
50451	Lakota	Kossuth	Standard
50452	Latimer	Franklin	Standard
50453	Leland	Winnebago	Standard
50454	Little Cedar	Mitchell	Standard
50455	Mc Intire	Mitchell	Standard
50456	Manly	Worth	Standard
50457	Meservey	Cerro Gordo	Standard
50458	Nora Springs	Floyd	Standard
50459	Northwood	Worth	Standard
50460	Orchard	Mitchell	Standard
50461	Osage	Mitchell	Standard
50464	Plymouth	Cerro Gordo	Standard
50465	Rake	Winnebago	P.O. Box
50466	Riceville	Howard	Standard
50467	Rock Falls	Cerro Gordo	Standard
50468	Rockford	Floyd	Standard
50469	Rockwell	Cerro Gordo	Standard
50470	Rowan	Wright	Standard
50471	Rudd	Floyd	Standard
50472	Saint Ansgar	Mitchell	Standard
50473	Scarville	Winnebago	Standard
50475	Sheffield	Franklin	Standard
50476	Stacyville	Mitchell	Standard
50477	Swaledale	Cerro Gordo	Standard
50478	Thompson	Winnebago	Standard
50479	Thornton	Cerro Gordo	Standard
50480	Titonka	Kossuth	Standard
50481	Toeterville	Mitchell	Standard
50482	Ventura	Cerro Gordo	Standard
50483	Wesley	Kossuth	Standard
50484	Woden	Hancock	Standard
50501	Fort Dodge	Webster	Standard
50510	Albert City	Buena Vista	Standard
50511	Algona	Kossuth	Standard
50514	Armstrong	Emmet	Standard
50515	Ayrshire	Palo Alto	Standard
50516	Badger	Webster	Standard
50517	Bancroft	Kossuth	Standard
50518	Barnum	Webster	Standard
50519	Bode	Humboldt	Standard
50520	Bradgate	Humboldt	Standard
50521	Burnside	Webster	P.O. Box
50522	Burt	Kossuth	Standard
50523	Callender	Webster	Standard
50524	Clare	Webster	Standard
50525	Clarion	Wright	Standard
50526	Clarion	Wright	Unique
50527	Curlew	Palo Alto	Standard
50528	Cylinder	Palo Alto	Standard
50529	Dakota City	Humboldt	Standard
50530	Dayton	Webster	Standard
50531	Dolliver	Emmet	Standard
50532	Duncombe	Webster	Standard
50533	Eagle Grove	Wright	Standard
50535	Early	Sac	Standard
50536	Emmetsburg	Palo Alto	Standard
50538	Farnhamville	Calhoun	Standard
50539	Fenton	Kossuth	Standard
50540	Fonda	Pocahontas	Standard
50541	Gilmore City	Pocahontas	Standard
50542	Goldfield	Wright	Standard
50543	Gowrie	Webster	Standard
50544	Harcourt	Webster	Standard
50545	Hardy	Humboldt	Standard
50546	Havelock	Pocahontas	Standard
50548	Humboldt	Humboldt	Standard
50551	Jolley	Calhoun	Standard
50552	Knierim	Calhoun	P.O. Box
50554	Laurens	Pocahontas	Standard
50556	Ledyard	Kossuth	Standard
50557	Lehigh	Webster	Standard
50558	Livermore	Humboldt	Standard
50559	Lone Rock	Kossuth	Standard
50560	Lu Verne	Kossuth	Standard
50561	Lytton	Calhoun	Standard
50562	Mallard	Palo Alto	Standard
50563	Manson	Calhoun	Standard
50565	Marathon	Buena Vista	Standard
50566	Moorland	Webster	Standard
50567	Nemaha	Sac	Standard
50568	Newell	Buena Vista	Standard
50569	Otho	Webster	Standard
50570	Ottosen	Humboldt	Standard
50571	Palmer	Pocahontas	Standard
50573	Plover	Pocahontas	P.O. Box
50574	Pocahontas	Pocahontas	Standard
50575	Pomeroy	Calhoun	Standard
50576	Rembrandt	Buena Vista	Standard
50577	Renwick	Humboldt	Standard
50578	Ringsted	Emmet	Standard
50579	Rockwell City	Calhoun	Standard
50581	Rolfe	Pocahontas	Standard
50582	Rutland	Humboldt	Standard
50583	Sac City	Sac	Standard
50585	Sioux Rapids	Buena Vista	Standard
50586	Somers	Calhoun	Standard
50588	Storm Lake	Buena Vista	Standard
50590	Swea City	Kossuth	Standard
50591	Thor	Humboldt	Standard
50592	Truesdale	Buena Vista	P.O. Box
50593	Varina	Pocahontas	P.O. Box
50594	Vincent	Webster	Standard
50595	Webster City	Hamilton	Standard
50597	West Bend	Palo Alto	Standard
50598	Whittemore	Kossuth	Standard
50599	Woolstock	Wright	Standard
50601	Ackley	Hardin	Standard
50602	Allison	Butler	Standard
50603	Alta Vista	Chickasaw	Standard
50604	Aplington	Butler	Standard
50605	Aredale	Butler	Standard
50606	Arlington	Fayette	Standard
50607	Aurora	Buchanan	Standard
50608	Austinville	Butler	Standard
50609	Beaman	Grundy	Standard
50611	Bristow	Butler	Standard
50612	Buckingham	Tama	Standard
50613	Cedar Falls	Black Hawk	Standard
50614	Cedar Falls	Black Hawk	Unique
50616	Charles City	Floyd	Standard
50619	Clarksville	Butler	Standard
50620	Colwell	Floyd	Standard
50621	Conrad	Grundy	Standard
50622	Denver	Bremer	Standard
50623	Dewar	Black Hawk	P.O. Box
50624	Dike	Grundy	Standard
50625	Dumont	Butler	Standard
50626	Dunkerton	Black Hawk	Standard
50627	Eldora	Hardin	Standard
50628	Elma	Howard	Standard
50629	Fairbank	Buchanan	Standard
50630	Fredericksburg	Chickasaw	Standard
50631	Frederika	Bremer	P.O. Box
50632	Garwin	Tama	Standard
50633	Geneva	Franklin	Standard
50634	Gilbertville	Black Hawk	P.O. Box
50635	Gladbrook	Tama	Standard
50636	Greene	Butler	Standard
50638	Grundy Center	Grundy	Standard
50641	Hazleton	Buchanan	Standard
50642	Holland	Grundy	Standard
50643	Hudson	Black Hawk	Standard
50644	Independence	Buchanan	Standard
50645	Ionia	Chickasaw	Standard
50647	Janesville	Bremer	Standard
50648	Jesup	Buchanan	Standard
50649	Kesley	Butler	Standard
50650	Lamont	Buchanan	Standard
50651	La Porte City	Black Hawk	Standard
50652	Lincoln	Tama	P.O. Box
50653	Marble Rock	Floyd	Standard
50654	Masonville	Delaware	Standard
50655	Maynard	Fayette	Standard
50657	Morrison	Grundy	Standard
50658	Nashua	Chickasaw	Standard
50659	New Hampton	Chickasaw	Standard
50660	New Hartford	Butler	Standard
50661	North Washington	Chickasaw	P.O. Box
50662	Oelwein	Fayette	Standard
50664	Oran	Fayette	Standard
50665	Parkersburg	Butler	Standard
50666	Plainfield	Bremer	Standard
50667	Raymond	Black Hawk	Standard
50668	Readlyn	Bremer	Standard
50669	Reinbeck	Grundy	Standard
50670	Shell Rock	Butler	Standard
50671	Stanley	Buchanan	Standard
50672	Steamboat Rock	Hardin	Standard
50673	Stout	Grundy	P.O. Box
50674	Sumner	Bremer	Standard
50675	Traer	Tama	Standard
50676	Tripoli	Bremer	Standard
50677	Waverly	Bremer	Standard
50680	Wellsburg	Grundy	Standard
50681	Westgate	Fayette	Standard
50682	Winthrop	Buchanan	Standard
50701	Waterloo	Black Hawk	Standard
50702	Waterloo	Black Hawk	Standard
50703	Waterloo	Black Hawk	Standard
50704	Waterloo	Black Hawk	P.O. Box
50707	Evansdale	Black Hawk	Standard
50801	Creston	Union	Standard
50830	Afton	Union	Standard
50831	Arispe	Union	P.O. Box
50833	Bedford	Taylor	Standard
50835	Benton	Ringgold	Standard
50836	Blockton	Taylor	Standard
50837	Bridgewater	Adair	Standard
50839	Carbon	Adams	Standard
50840	Clearfield	Taylor	Standard
50841	Corning	Adams	Standard
50842	Cromwell	Union	Standard
50843	Cumberland	Cass	Standard
50845	Diagonal	Ringgold	Standard
50846	Fontanelle	Adair	Standard
50847	Grant	Montgomery	P.O. Box
50848	Gravity	Taylor	Standard
50849	Greenfield	Adair	Standard
50851	Lenox	Taylor	Standard
50853	Massena	Cass	Standard
50854	Mount Ayr	Ringgold	Standard
50857	Nodaway	Adams	Standard
50858	Orient	Adair	Standard
50859	Prescott	Adams	Standard
50860	Redding	Ringgold	Standard
50861	Shannon City	Union	Standard
50862	Sharpsburg	Taylor	Standard
50863	Tingley	Ringgold	Standard
50864	Villisca	Montgomery	Standard
50936	Des Moines	Polk	Unique
50940	Des Moines	Polk	Unique
50947	Des Moines	Polk	Unique
50950	Boone	Boone	Standard
50980	Des Moines	Polk	Unique
50981	Des Moines	Polk	Unique
50982	Des Moines	Polk	Unique
50983	Des Moines	Polk	Unique
51001	Akron	Plymouth	Standard
51002	Alta	Buena Vista	Standard
51003	Alton	Sioux	Standard
51004	Anthon	Woodbury	Standard
51005	Aurelia	Cherokee	Standard
51006	Battle Creek	Ida	Standard
51007	Bronson	Woodbury	Standard
51008	Brunsville	Plymouth	P.O. Box
51009	Calumet	Obrien	P.O. Box
51010	Castana	Monona	Standard
51011	Chatsworth	Sioux	Standard
51012	Cherokee	Cherokee	Standard
51014	Cleghorn	Cherokee	Standard
51015	Climbing Hill	Woodbury	Standard
51016	Correctionville	Woodbury	Standard
51018	Cushing	Woodbury	Standard
51019	Danbury	Woodbury	Standard
51020	Galva	Ida	Standard
51022	Granville	Sioux	Standard
51023	Hawarden	Sioux	Standard
51024	Hinton	Plymouth	Standard
51025	Holstein	Ida	Standard
51026	Hornick	Woodbury	Standard
51027	Ireton	Sioux	Standard
51028	Kingsley	Plymouth	Standard
51029	Larrabee	Cherokee	Standard
51030	Lawton	Woodbury	Standard
51031	Le Mars	Plymouth	Standard
51033	Linn Grove	Buena Vista	Standard
51034	Mapleton	Monona	Standard
51035	Marcus	Cherokee	Standard
51036	Maurice	Sioux	Standard
51037	Meriden	Cherokee	Standard
51038	Merrill	Plymouth	Standard
51039	Moville	Woodbury	Standard
51040	Onawa	Monona	Standard
51041	Orange City	Sioux	Standard
51044	Oto	Woodbury	Standard
51045	Oyens	Plymouth	P.O. Box
51046	Paullina	Obrien	Standard
51047	Peterson	Clay	Standard
51048	Pierson	Woodbury	Standard
51049	Quimby	Cherokee	Standard
51050	Remsen	Plymouth	Standard
51051	Rodney	Monona	Standard
51052	Salix	Woodbury	Standard
51053	Schaller	Sac	Standard
51054	Sergeant Bluff	Woodbury	Standard
51055	Sloan	Woodbury	Standard
51056	Smithland	Woodbury	Standard
51058	Sutherland	Obrien	Standard
51060	Ute	Monona	Standard
51061	Washta	Cherokee	Standard
51062	Westfield	Plymouth	Standard
51063	Whiting	Monona	Standard
51101	Sioux City	Woodbury	Standard
51102	Sioux City	Woodbury	P.O. Box
51103	Sioux City	Woodbury	Standard
51104	Sioux City	Woodbury	Standard
51105	Sioux City	Woodbury	Standard
51106	Sioux City	Woodbury	Standard
51108	Sioux City	Woodbury	Standard
51109	Sioux City	Woodbury	Standard
51111	Sioux City	Woodbury	Standard
51201	Sheldon	Obrien	Standard
51230	Alvord	Lyon	Standard
51231	Archer	Obrien	Standard
51232	Ashton	Osceola	Standard
51234	Boyden	Sioux	Standard
51235	Doon	Lyon	Standard
51237	George	Lyon	Standard
51238	Hospers	Sioux	Standard
51239	Hull	Sioux	Standard
51240	Inwood	Lyon	Standard
51241	Larchwood	Lyon	Standard
51242	Lester	Lyon	P.O. Box
51243	Little Rock	Lyon	Standard
51244	Matlock	Sioux	Standard
51245	Primghar	Obrien	Standard
51246	Rock Rapids	Lyon	Standard
51247	Rock Valley	Sioux	Standard
51248	Sanborn	Obrien	Standard
51249	Sibley	Osceola	Standard
51250	Sioux Center	Sioux	Standard
51301	Spencer	Clay	Standard
51331	Arnolds Park	Dickinson	Standard
51333	Dickens	Clay	Standard
51334	Estherville	Emmet	Standard
51338	Everly	Clay	Standard
51340	Fostoria	Clay	P.O. Box
51341	Gillett Grove	Clay	P.O. Box
51342	Graettinger	Palo Alto	Standard
51343	Greenville	Clay	Standard
51345	Harris	Osceola	Standard
51346	Hartley	Obrien	Standard
51347	Lake Park	Dickinson	Standard
51350	Melvin	Osceola	Standard
51351	Milford	Dickinson	Standard
51354	Ocheyedan	Osceola	Standard
51355	Okoboji	Dickinson	Standard
51357	Royal	Clay	Standard
51358	Ruthven	Palo Alto	Standard
51360	Spirit Lake	Dickinson	Standard
51363	Superior	Dickinson	P.O. Box
51364	Terril	Dickinson	Standard
51365	Wallingford	Emmet	Standard
51366	Webb	Clay	Standard
51401	Carroll	Carroll	Standard
51430	Arcadia	Carroll	Standard
51431	Arthur	Ida	Standard
51432	Aspinwall	Crawford	P.O. Box
51433	Auburn	Sac	Standard
51436	Breda	Carroll	Standard
51439	Charter Oak	Crawford	Standard
51440	Dedham	Carroll	Standard
51441	Deloit	Crawford	Standard
51442	Denison	Crawford	Standard
51443	Glidden	Carroll	Standard
51444	Halbur	Carroll	P.O. Box
51445	Ida Grove	Ida	Standard
51446	Irwin	Shelby	Standard
51447	Kirkman	Shelby	Standard
51448	Kiron	Crawford	Standard
51449	Lake City	Calhoun	Standard
51450	Lake View	Sac	Standard
51451	Lanesboro	Carroll	P.O. Box
51452	Lidderdale	Carroll	P.O. Box
51453	Lohrville	Calhoun	Standard
51454	Manilla	Crawford	Standard
51455	Manning	Carroll	Standard
51458	Odebolt	Sac	Standard
51459	Ralston	Carroll	Standard
51460	Ricketts	Crawford	P.O. Box
51461	Schleswig	Crawford	Standard
51462	Scranton	Greene	Standard
51463	Templeton	Carroll	Standard
51465	Vail	Crawford	Standard
51466	Wall Lake	Sac	Standard
51467	Westside	Crawford	Standard
51501	Council Bluffs	Pottawattamie	Standard
51502	Council Bluffs	Pottawattamie	P.O. Box
51503	Council Bluffs	Pottawattamie	Standard
51510	Carter Lake	Pottawattamie	Standard
51520	Arion	Crawford	Standard
51521	Avoca	Pottawattamie	Standard
51523	Blencoe	Monona	Standard
51525	Carson	Pottawattamie	Standard
51526	Crescent	Pottawattamie	Standard
51527	Defiance	Shelby	Standard
51528	Dow City	Crawford	Standard
51529	Dunlap	Harrison	Standard
51530	Earling	Shelby	Standard
51531	Elk Horn	Shelby	Standard
51532	Elliott	Montgomery	Standard
51533	Emerson	Mills	Standard
51534	Glenwood	Mills	Standard
51535	Griswold	Cass	Standard
51536	Hancock	Pottawattamie	Standard
51537	Harlan	Shelby	Standard
51540	Hastings	Mills	Standard
51541	Henderson	Mills	Standard
51542	Honey Creek	Pottawattamie	Standard
51543	Kimballton	Audubon	Standard
51544	Lewis	Cass	Standard
51545	Little Sioux	Harrison	Standard
51546	Logan	Harrison	Standard
51548	Mc Clelland	Pottawattamie	Standard
51549	Macedonia	Pottawattamie	Standard
51550	Magnolia	Harrison	Standard
51551	Malvern	Mills	Standard
51552	Marne	Cass	Standard
51553	Minden	Pottawattamie	Standard
51554	Mineola	Mills	P.O. Box
51555	Missouri Valley	Harrison	Standard
51556	Modale	Harrison	Standard
51557	Mondamin	Harrison	Standard
51558	Moorhead	Monona	Standard
51559	Neola	Pottawattamie	Standard
51560	Oakland	Pottawattamie	Standard
51561	Pacific Junction	Mills	Standard
51562	Panama	Shelby	Standard
51563	Persia	Harrison	Standard
51564	Pisgah	Harrison	Standard
51565	Portsmouth	Shelby	Standard
51566	Red Oak	Montgomery	Standard
51570	Shelby	Shelby	Standard
51571	Silver City	Mills	Standard
51572	Soldier	Monona	Standard
51573	Stanton	Montgomery	Standard
51575	Treynor	Pottawattamie	Standard
51576	Underwood	Pottawattamie	Standard
51577	Walnut	Pottawattamie	Standard
51578	Westphalia	Shelby	P.O. Box
51579	Woodbine	Harrison	Standard
51591	Red Oak	Montgomery	P.O. Box
51593	Harlan	Shelby	P.O. Box
51601	Shenandoah	Page	Standard
51603	Shenandoah	Page	Unique
51630	Blanchard	Page	Standard
51631	Braddyville	Page	Standard
51632	Clarinda	Page	Standard
51636	Coin	Page	Standard
51637	College Springs	Page	P.O. Box
51638	Essex	Page	Standard
51639	Farragut	Fremont	Standard
51640	Hamburg	Fremont	Standard
51645	Imogene	Fremont	Standard
51646	New Market	Taylor	Standard
51647	Northboro	Page	Standard
51648	Percival	Fremont	Standard
51649	Randolph	Fremont	Standard
51650	Riverton	Fremont	Standard
51651	Shambaugh	Page	P.O. Box
51652	Sidney	Fremont	Standard
51653	Tabor	Fremont	Standard
51654	Thurman	Fremont	Standard
51656	Yorktown	Page	P.O. Box
52001	Dubuque	Dubuque	Standard
52002	Dubuque	Dubuque	Standard
52003	Dubuque	Dubuque	Standard
52004	Dubuque	Dubuque	P.O. Box
52030	Andrew	Jackson	P.O. Box
52031	Bellevue	Jackson	Standard
52032	Bernard	Dubuque	Standard
52033	Cascade	Dubuque	Standard
52035	Colesburg	Delaware	Standard
52036	Delaware	Delaware	Standard
52037	Delmar	Clinton	Standard
52038	Dundee	Delaware	Standard
52039	Durango	Dubuque	Standard
52040	Dyersville	Dubuque	Standard
52041	Earlville	Delaware	Standard
52042	Edgewood	Clayton	Standard
52043	Elkader	Clayton	Standard
52044	Elkport	Clayton	Standard
52045	Epworth	Dubuque	Standard
52046	Farley	Dubuque	Standard
52047	Farmersburg	Clayton	Standard
52048	Garber	Clayton	Standard
52049	Garnavillo	Clayton	Standard
52050	Greeley	Delaware	Standard
52052	Guttenberg	Clayton	Standard
52053	Holy Cross	Dubuque	Standard
52054	La Motte	Jackson	Standard
52056	Luxemburg	Dubuque	P.O. Box
52057	Manchester	Delaware	Standard
52060	Maquoketa	Jackson	Standard
52064	Miles	Jackson	Standard
52065	New Vienna	Dubuque	Standard
52066	North Buena Vista	Clayton	Standard
52068	Peosta	Dubuque	Standard
52069	Preston	Jackson	Standard
52070	Sabula	Jackson	Standard
52071	Saint Donatus	Jackson	P.O. Box
52072	Saint Olaf	Clayton	Standard
52073	Sherrill	Dubuque	Standard
52074	Spragueville	Jackson	Standard
52075	Springbrook	Jackson	P.O. Box
52076	Strawberry Point	Clayton	Standard
52077	Volga	Clayton	Standard
52078	Worthington	Dubuque	Standard
52079	Zwingle	Dubuque	Standard
52099	Dubuque	Dubuque	Unique
52101	Decorah	Winneshiek	Standard
52132	Calmar	Winneshiek	Standard
52133	Castalia	Winneshiek	Standard
52134	Chester	Howard	Standard
52135	Clermont	Fayette	Standard
52136	Cresco	Howard	Standard
52140	Dorchester	Allamakee	Standard
52141	Elgin	Fayette	Standard
52142	Fayette	Fayette	Standard
52144	Fort Atkinson	Winneshiek	Standard
52146	Harpers Ferry	Allamakee	Standard
52147	Hawkeye	Fayette	Standard
52149	Highlandville	Winneshiek	P.O. Box
52151	Lansing	Allamakee	Standard
52154	Lawler	Chickasaw	Standard
52155	Lime Springs	Howard	Standard
52156	Luana	Clayton	Standard
52157	Mc Gregor	Clayton	Standard
52158	Marquette	Clayton	P.O. Box
52159	Monona	Clayton	Standard
52160	New Albin	Allamakee	Standard
52161	Ossian	Winneshiek	Standard
52162	Postville	Allamakee	Standard
52163	Protivin	Howard	P.O. Box
52164	Randalia	Fayette	Standard
52165	Ridgeway	Winneshiek	Standard
52166	Saint Lucas	Fayette	P.O. Box
52168	Spillville	Winneshiek	P.O. Box
52169	Wadena	Fayette	Standard
52170	Waterville	Allamakee	Standard
52171	Waucoma	Fayette	Standard
52172	Waukon	Allamakee	Standard
52175	West Union	Fayette	Standard
52201	Ainsworth	Washington	Standard
52202	Alburnett	Linn	Standard
52203	Amana	Iowa	Standard
52204	Amana	Iowa	Unique
52205	Anamosa	Jones	Standard
52206	Atkins	Benton	Standard
52207	Baldwin	Jackson	Standard
52208	Belle Plaine	Benton	Standard
52209	Blairstown	Benton	Standard
52210	Brandon	Buchanan	Standard
52211	Brooklyn	Poweshiek	Standard
52212	Center Junction	Jones	Standard
52213	Center Point	Linn	Standard
52214	Central City	Linn	Standard
52215	Chelsea	Tama	Standard
52216	Clarence	Cedar	Standard
52217	Clutier	Tama	Standard
52218	Coggon	Linn	Standard
52219	Prairieburg	Linn	Standard
52220	Conroy	Iowa	P.O. Box
52221	Guernsey	Poweshiek	Standard
52222	Deep River	Poweshiek	Standard
52223	Delhi	Delaware	Standard
52224	Dysart	Tama	Standard
52225	Elberon	Tama	Standard
52227	Ely	Linn	Standard
52228	Fairfax	Linn	Standard
52229	Garrison	Benton	Standard
52231	Harper	Keokuk	Standard
52232	Hartwick	Poweshiek	Standard
52233	Hiawatha	Linn	Standard
52235	Hills	Johnson	P.O. Box
52236	Homestead	Iowa	Standard
52237	Hopkinton	Delaware	Standard
52240	Iowa City	Johnson	Standard
52241	Coralville	Johnson	Standard
52242	Iowa City	Johnson	Standard
52243	Iowa City	Johnson	Unique
52244	Iowa City	Johnson	P.O. Box
52245	Iowa City	Johnson	Standard
52246	Iowa City	Johnson	Standard
52247	Kalona	Washington	Standard
52248	Keota	Keokuk	Standard
52249	Keystone	Benton	Standard
52251	Ladora	Iowa	Standard
52252	Langworthy	Jones	Standard
52253	Lisbon	Linn	Standard
52254	Lost Nation	Clinton	Standard
52255	Lowden	Cedar	Standard
52257	Luzerne	Benton	Standard
52301	Marengo	Iowa	Standard
52302	Marion	Linn	Standard
52305	Martelle	Jones	Standard
52306	Mechanicsville	Cedar	Standard
52307	Middle Amana	Iowa	P.O. Box
52308	Millersburg	Iowa	P.O. Box
52309	Monmouth	Jackson	Standard
52310	Monticello	Jones	Standard
52312	Morley	Jones	Standard
52313	Mount Auburn	Benton	Standard
52314	Mount Vernon	Linn	Standard
52315	Newhall	Benton	Standard
52316	North English	Iowa	Standard
52317	North Liberty	Johnson	Standard
52318	Norway	Benton	Standard
52320	Olin	Jones	Standard
52321	Onslow	Jones	Standard
52322	Oxford	Johnson	Standard
52323	Oxford Junction	Jones	Standard
52324	Palo	Linn	Standard
52325	Parnell	Iowa	Standard
52326	Quasqueton	Buchanan	Standard
52327	Riverside	Washington	Standard
52328	Robins	Linn	Standard
52329	Rowley	Buchanan	Standard
52330	Ryan	Delaware	Standard
52332	Shellsburg	Benton	Standard
52333	Solon	Johnson	Standard
52334	South Amana	Iowa	Standard
52335	South English	Keokuk	Standard
52336	Springville	Linn	Standard
52337	Stanwood	Cedar	Standard
52338	Swisher	Johnson	Standard
52339	Tama	Tama	Standard
52340	Tiffin	Johnson	Standard
52341	Toddville	Linn	Standard
52342	Toledo	Tama	Standard
52344	Troy Mills	Linn	P.O. Box
52345	Urbana	Benton	Standard
52346	Van Horne	Benton	Standard
52347	Victor	Iowa	Standard
52348	Vining	Tama	P.O. Box
52349	Vinton	Benton	Standard
52351	Walford	Benton	Standard
52352	Walker	Linn	Standard
52353	Washington	Washington	Standard
52354	Watkins	Benton	Standard
52355	Webster	Keokuk	Standard
52356	Wellman	Washington	Standard
52358	West Branch	Cedar	Standard
52359	West Chester	Washington	Standard
52361	Williamsburg	Iowa	Standard
52362	Wyoming	Jones	Standard
52401	Cedar Rapids	Linn	Standard
52402	Cedar Rapids	Linn	Standard
52403	Cedar Rapids	Linn	Standard
52404	Cedar Rapids	Linn	Standard
52405	Cedar Rapids	Linn	Standard
52406	Cedar Rapids	Linn	P.O. Box
52407	Cedar Rapids	Linn	P.O. Box
52408	Cedar Rapids	Linn	P.O. Box
52409	Cedar Rapids	Linn	P.O. Box
52410	Cedar Rapids	Linn	P.O. Box
52411	Cedar Rapids	Linn	Standard
52497	Cedar Rapids	Linn	Unique
52498	Cedar Rapids	Linn	Unique
52499	Cedar Rapids	Linn	Unique
52501	Ottumwa	Wapello	Standard
52530	Agency	Wapello	Standard
52531	Albia	Monroe	Standard
52533	Batavia	Jefferson	Standard
52534	Beacon	Mahaska	Standard
52535	Birmingham	Van Buren	Standard
52536	Blakesburg	Wapello	Standard
52537	Bloomfield	Davis	Standard
52540	Brighton	Washington	Standard
52542	Cantril	Van Buren	Standard
52543	Cedar	Mahaska	Standard
52544	Centerville	Appanoose	Standard
52548	Chillicothe	Wapello	Standard
52549	Cincinnati	Appanoose	Standard
52550	Delta	Keokuk	Standard
52551	Douds	Van Buren	Standard
52552	Drakesville	Davis	Standard
52553	Eddyville	Wapello	Standard
52554	Eldon	Wapello	Standard
52555	Exline	Appanoose	Standard
52556	Fairfield	Jefferson	Standard
52557	Fairfield	Jefferson	Unique
52560	Floris	Davis	Standard
52561	Fremont	Mahaska	Standard
52562	Hayesville	Keokuk	Standard
52563	Hedrick	Keokuk	Standard
52565	Keosauqua	Van Buren	Standard
52566	Kirkville	Wapello	Standard
52567	Libertyville	Jefferson	Standard
52568	Martinsburg	Keokuk	P.O. Box
52569	Melrose	Monroe	Standard
52570	Milton	Van Buren	Standard
52571	Moravia	Appanoose	Standard
52572	Moulton	Appanoose	Standard
52573	Mount Sterling	Van Buren	Standard
52574	Mystic	Appanoose	Standard
52576	Ollie	Keokuk	Standard
52577	Oskaloosa	Mahaska	Standard
52580	Packwood	Jefferson	Standard
52581	Plano	Appanoose	Standard
52583	Promise City	Wayne	Standard
52584	Pulaski	Davis	Standard
52585	Richland	Keokuk	Standard
52586	Rose Hill	Mahaska	Standard
52588	Selma	Van Buren	Standard
52590	Seymour	Wayne	Standard
52591	Sigourney	Keokuk	Standard
52593	Udell	Appanoose	Standard
52594	Unionville	Appanoose	Standard
52595	University Park	Mahaska	P.O. Box
52601	Burlington	Des Moines	Standard
52619	Argyle	Lee	Standard
52620	Bonaparte	Van Buren	Standard
52621	Crawfordsville	Washington	Standard
52623	Danville	Des Moines	Standard
52624	Denmark	Lee	P.O. Box
52625	Donnellson	Lee	Standard
52626	Farmington	Van Buren	Standard
52627	Fort Madison	Lee	Standard
52630	Hillsboro	Henry	Standard
52631	Houghton	Lee	P.O. Box
52632	Keokuk	Lee	Standard
52635	Lockridge	Jefferson	Standard
52637	Mediapolis	Des Moines	Standard
52638	Middletown	Des Moines	Standard
52639	Montrose	Lee	Standard
52640	Morning Sun	Louisa	Standard
52641	Mount Pleasant	Henry	Standard
52642	Rome	Henry	P.O. Box
52644	Mount Union	Henry	Standard
52645	New London	Henry	Standard
52646	Oakville	Louisa	Standard
52647	Olds	Henry	P.O. Box
52648	Pilot Grove	Lee	Standard
52649	Salem	Henry	Standard
52650	Sperry	Des Moines	Standard
52651	Stockport	Van Buren	Standard
52652	Swedesburg	Henry	P.O. Box
52653	Wapello	Louisa	Standard
52654	Wayland	Henry	Standard
52655	West Burlington	Des Moines	Standard
52656	West Point	Lee	Standard
52657	Saint Paul	Lee	Standard
52658	Wever	Lee	Standard
52659	Winfield	Henry	Standard
52660	Yarmouth	Des Moines	Standard
52701	Andover	Clinton	P.O. Box
52720	Atalissa	Muscatine	Standard
52721	Bennett	Cedar	Standard
52722	Bettendorf	Scott	Standard
52726	Blue Grass	Scott	Standard
52727	Bryant	Clinton	Standard
52728	Buffalo	Scott	P.O. Box
52729	Calamus	Clinton	Standard
52730	Camanche	Clinton	Standard
52731	Charlotte	Clinton	Standard
52732	Clinton	Clinton	Standard
52733	Clinton	Clinton	P.O. Box
52734	Clinton	Clinton	Unique
52736	Clinton	Clinton	Unique
52737	Columbus City	Louisa	Standard
52738	Columbus Junction	Louisa	Standard
52739	Conesville	Muscatine	Standard
52742	De Witt	Clinton	Standard
52745	Dixon	Scott	Standard
52746	Donahue	Scott	Standard
52747	Durant	Cedar	Standard
52748	Eldridge	Scott	Standard
52749	Fruitland	Muscatine	Standard
52750	Goose Lake	Clinton	Standard
52751	Grand Mound	Clinton	Standard
52752	Grandview	Louisa	P.O. Box
52753	Le Claire	Scott	Standard
52754	Letts	Louisa	Standard
52755	Lone Tree	Johnson	Standard
52756	Long Grove	Scott	Standard
52757	Low Moor	Clinton	P.O. Box
52758	Mc Causland	Scott	P.O. Box
52759	Montpelier	Muscatine	Standard
52760	Moscow	Muscatine	Standard
52761	Muscatine	Muscatine	Standard
52765	New Liberty	Scott	Standard
52766	Nichols	Muscatine	Standard
52767	Pleasant Valley	Scott	P.O. Box
52768	Princeton	Scott	Standard
52769	Stockton	Muscatine	Standard
52771	Teeds Grove	Clinton	Standard
52772	Tipton	Cedar	Standard
52773	Walcott	Scott	Standard
52774	Welton	Clinton	P.O. Box
52776	West Liberty	Muscatine	Standard
52777	Wheatland	Clinton	Standard
52778	Wilton	Muscatine	Standard
52801	Davenport	Scott	Standard
52802	Davenport	Scott	Standard
52803	Davenport	Scott	Standard
52804	Davenport	Scott	Standard
52805	Davenport	Scott	P.O. Box
52806	Davenport	Scott	Standard
52807	Davenport	Scott	Standard
52808	Davenport	Scott	P.O. Box
52809	Davenport	Scott	P.O. Box