The state of Iowa, USA is currently served by a total of 5 area codes:
| City | County | Area code(s) |
|---|---|---|
| Ames | Story | 515 |
| Ankeny | Polk | 515 |
| Bettendorf | Scott | 563 |
| Cedar Falls | Black Hawk | 319 |
| Cedar Rapids | Linn | 319 |
| Council Bluffs | Pottawattamie | 712 |
| Davenport | Scott | 563 |
| Des Moines | Polk | 515 |
| Dubuque | Dubuque | 563 |
| Iowa City | Johnson | 319 |
| Marion | Linn | 319 |
| Sioux City | Woodbury | 712 |
| Urbandale | Polk | 515 |
| Waterloo | Black Hawk | 319 |
| West Des Moines | Polk | 515 |