Iowa Area Codes
5 area codes in Iowa, United States. Country code: +1. Find area codes by city and region.
All Iowa Area Codes
| Area Code | Major Cities | Region |
|---|---|---|
| 319 | Cedar Rapids, Iowa City | East |
| 515 | Des Moines | Central |
| 563 | Davenport, Dubuque | East |
| 641 | Mason City, Ottumwa | Central |
| 712 | Sioux City, Council Bluffs | West |
About Iowa Area Codes
Iowa uses 5 area codes under the North American Numbering Plan (NANP), serving Cedar Rapids, Council Bluffs, Davenport, Des Moines, Dubuque, Iowa City and 3 other communities. Each code follows the 3-digit format and covers a defined geographic region within the state.
Major Cities and Their Area Codes
Find which area code serves each major city in Iowa.
| City / Community | Area Code(s) |
|---|---|
| Cedar Rapids | 319 |
| Council Bluffs | 712 |
| Davenport | 563 |
| Des Moines | 515 |
| Dubuque | 563 |
| Iowa City | 319 |
| Mason City | 641 |
| Ottumwa | 641 |
| Sioux City | 712 |
How to Call Iowa
Within the US: dial 1 + area code + 7-digit number (10-digit dialing applies where overlays are active).
From Canada or the Caribbean: the same NANP format applies — 1 + area code + number.
From abroad: dial your country's exit code (011 from the US, 00 from most countries, or + on mobile), then 1, then the Iowa area code and number.
Example (from the UK): 00 1 319 XXX XXXX
Data source: North American Numbering Plan Administration (NANPA), ITU-T E.164. Area code assignments change with new overlays — verify with your carrier before dialing. NANPA