Iowa Area Codes
Data last updated: August 31, 2026
Area Codes in Iowa
| NPA | Major Cities | Status | Exchanges | Overlay |
|---|---|---|---|---|
| 319 | Cedar Rapids, Iowa City, North Liberty | Active | 786 | No |
| 515 | Des Moines, Centerville, West Des Moines | Active | 785 | No |
| 563 | Davenport, Bettendorf, Dubuque | Active | 777 | No |
| 641 | Des Moines, Centerville, Knoxville | Active | 779 | No |
| 712 | Sioux City, Omaha, Spencer | Active | 777 | No |
Top Carriers in Iowa
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9631 | 393 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 225 |
| UNITED STATES CELLULAR - IA | 6266 | 175 |
| T-MOBILE USA, INC. | 6529 | 151 |
| WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | 1167 | 147 |
| WINDSTREAM IOWA COMMUNICATIONS, INC. | 1178 | 141 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 126 |
| ONVOY, LLC - IA | 221F | 115 |
| WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | 1170 | 71 |
| TON80 COMMUNICATIONS, LLC | 516J | 57 |