Iowa area codes
Iowa has 5 area codes covering 5 areas. The newest, 563, came into service in 2001.
- Area codes
- 5
- Areas
- 5
- Overlay areas
- 0
- Time zone
- Central
- Newest
- 563 (2001)
- ZIP codes
- 1,055 in Iowa
Somewhere in Iowa now? What area code am I in? answers from your location.
Every Iowa area code
| Code | Where | Overlays | Since |
|---|---|---|---|
| 319 | Cedar Rapids, Iowa City, Waterloo | none | 1947 |
| 515 | Des Moines, Ames, Fort Dodge | none | 1947 |
| 563 | Davenport, Dubuque, Clinton | none | 2001 |
| 641 | Marshalltown, Mason City, Ottumwa | none | 2000 |
| 712 | Sioux City, Council Bluffs, Storm Lake | none | 1947 |
Iowa area codes by area
Codes that overlay one another share one area. The places listed have a telephone rate centre of their own in NANPA's records, largest first; each links to its ZIP codes.
712 — Sioux City
232 places, the largest 36 here (all of them on 712):
- Sioux City
- Council Bluffs
- Storm Lake
- Spencer
- Le Mars
- Carroll
- Denison
- Atlantic
- Orange City
- Estherville
- Spirit Lake
- Red Oak
- Sheldon
- Clarinda
- Sergeant Bluff
- Cherokee
- Glenwood
- Shenandoah
- Harlan
- Rock Valley
- Carter Lake
- Emmetsburg
- Milford
- Onawa
- Sibley
- Missouri Valley
- Rock Rapids
- Hawarden
- Rockwell City
- Hull
- Alta
- Audubon
- Ida Grove
- Sac City
- Remsen
- Pocahontas
8 counties:
641 — Marshalltown
212 places, the largest 36 here (all of them on 641):
- Marshalltown
- Mason City
- Ottumwa
- Newton
- Oskaloosa
- Pella
- Grinnell
- Fairfield
- Clear Lake
- Knoxville
- Creston
- Charles City
- Osceola
- Centerville
- Iowa Falls
- Hampton
- Forest City
- Chariton
- Albia
- Osage
- New Hampton
- Garner
- Bloomfield
- Belmond
- Eldora
- Lamoni
- Monroe
- Lake Mills
- Northwood
- Toledo
- Sigourney
- Leon
- Greenfield
- Britt
- Mount Ayr
- Guthrie Center
8 counties:
515 — Des Moines
97 places, the largest 36 here (all of them on 515):
- Des Moines
- Ames
- Fort Dodge
- Indianola
- Boone
- Perry
- Webster City
- Nevada
- Adel
- Polk City
- Winterset
- Algona
- Humboldt
- Huxley
- Jefferson
- Eagle Grove
- Story City
- Madrid
- Clarion
- Colfax
- Dallas Center
- Granger
- Pleasantville
- Ogden
- Prairie City
- Stuart
- Van Meter
- Roland
- Earlham
- Jewell
- Slater
- De Soto
- Woodward
- Gowrie
- Maxwell
- Elkhart
8 counties:
319 — Cedar Rapids
134 places, the largest 36 here (all of them on 319):
- Cedar Rapids
- Iowa City
- Waterloo
- Cedar Falls
- Burlington
- North Liberty
- Waverly
- Fort Madison
- Keokuk
- Mount Pleasant
- Washington
- Independence
- Oelwein
- Tiffin
- Anamosa
- Vinton
- Mount Vernon
- Monticello
- West Liberty
- Williamsburg
- Solon
- Fairfax
- Grundy Center
- Marengo
- Hudson
- Kalona
- West Branch
- Center Point
- Jesup
- Belle Plaine
- Denver
- New London
- Atkins
- Ely
- Columbus Junction
- La Porte City
8 counties:
563 — Davenport
102 places, the largest 36 here (all of them on 563):
- Davenport
- Dubuque
- Clinton
- Muscatine
- Decorah
- De Witt
- Eldridge
- Maquoketa
- Manchester
- Le Claire
- Dyersville
- Cresco
- Waukon
- Tipton
- Postville
- Wilton
- West Union
- Cascade
- Bellevue
- Sumner
- Durant
- Epworth
- Farley
- Guttenberg
- Walcott
- Monona
- Mc Gregor
- Fayette
- Elkader
- Strawberry Point
- Clarence
- Lansing
- Preston
- Fredericksburg
- Calmar
- Mechanicsville
8 counties:
Area codes of the largest cities in Iowa
| City | Area codes | Population |
|---|---|---|
| Des Moines | 515 | 212,421 |
| Cedar Rapids | 319 | 137,264 |
| Davenport | 563 | 100,913 |
| Sioux City | 712 | 86,101 |
| Iowa City | 319 | 75,752 |
| Ankeny † | 515 | 72,615 |
| West Des Moines † | 515 | 71,083 |
| Ames | 515 | 67,669 |
| Waterloo | 319 | 67,008 |
| Council Bluffs | 712 | 62,586 |
| Dubuque | 563 | 59,174 |
| Urbandale † | 515 | 46,595 |
| Marion † | 319 | 41,896 |
| Cedar Falls | 319 | 40,888 |
| Bettendorf † | 563 | 39,647 |
| Waukee † | 515 | 29,236 |
| Marshalltown | 641 | 27,626 |
| Mason City | 641 | 27,050 |
| Ottumwa | 641 | 25,430 |
| Fort Dodge | 515 | 24,827 |
| Johnston † | 515 | 24,384 |
| Clinton | 563 | 24,322 |
| Burlington | 319 | 23,728 |
| Muscatine | 563 | 23,489 |
| Coralville † | 319 | 23,234 |
| Altoona † | 515 | 21,495 |
| North Liberty | 319 | 21,125 |
| Clive † | 515 | 19,012 |
| Grimes † | 515 | 16,366 |
| Indianola | 515 | 16,044 |
| Newton | 641 | 15,700 |
| Boone | 515 | 12,424 |
| Oskaloosa | 641 | 11,504 |
| Storm Lake | 712 | 11,428 |
| Spencer | 712 | 11,400 |
| Pleasant Hill † | 515 | 11,136 |
| Pella | 641 | 10,720 |
| Le Mars | 712 | 10,640 |
| Waverly | 319 | 10,494 |
| Carroll | 712 | 10,208 |
† NANPA lists no rate centre for the town itself; these are the codes of the nearest one. A town on an area-code boundary can differ from its neighbour.
Questions about Iowa area codes
How many area codes does Iowa have?
5: 319, 515, 563, 641 and 712.
What is the newest area code in Iowa?
563, in service since 2001.
What are the area codes of the largest cities in Iowa?
Des Moines: 515. Cedar Rapids: 319. Davenport: 563. Sioux City: 712. Iowa City: 319.
What time zone are Iowa area codes in?
Central time.
Every US area code · Iowa ZIP codes
Source: NANPA NPA database and central office code assignments, 2026-10-10. Places are matched to NANPA's rate centres by name; see sources.
Cite this page
zipcodes.pro. “Iowa area codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/area-codes/ia
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