| City | Area Code | Dialing Code |
|---|---|---|
| Ames | 515 | +1 515 |
| Ankeny | 515 | +1 515 |
| Bettendorf | 563 | +1 563 |
| Burlington | 319 | +1 319 |
| Cedar Falls | 319 | +1 319 |
| Cedar Rapids | 319 | +1 319 |
| Clinton | 563 | +1 563 |
| Council Bluffs | 712 | +1 712 |
| Davenport | 563 | +1 563 |
| Dubuque | 563 | +1 563 |
| Fort Dodge | 515 | +1 515 |
| Iowa City | 319 | +1 319 |
| Marion | 319 | +1 319 |
| Marshalltown | 641 | +1 641 |
| Mason City | 641 | +1 641 |
| Muscatine | 563 | +1 563 |
| Ottumwa | 641 | +1 641 |
| Sioux City | 712 | +1 712 |
| Urbandale | 515 | +1 515 |
| Waterloo | 319 | +1 319 |
| West Des Moines | 515 | +1 515 |
| West Des Moines | 515 | +1 515 |