FRONTIER COMMUNICATIONS OF IOWA, INC.
24 prefixes in 712 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 712-263 | DENISON | 1127 | — | — |
| 712-265 | DENISON | 1127 | — | Yes |
| 712-273 | EARLY | 1127 | — | — |
| 712-364 | IDA GROVE | 1127 | — | Yes |
| 712-365 | BATTLE CRK | 1127 | — | — |
| 712-368 | HOLSTEIN | 1127 | — | Yes |
| 712-375 | PIERSON | 1127 | — | — |
| 712-378 | KINGSLEY | 1127 | — | Yes |
| 712-447 | WASHTA | 1127 | — | — |
| 712-475 | GEORGE | 1127 | — | Yes |
| 712-482 | OAKLAND | 1127 | — | Yes |
| 712-484 | CARSON | 1127 | — | Yes |
| 712-487 | TREYNOR | 1127 | — | Yes |
| 712-523 | BEDFORD | 1127 | — | Yes |
| 712-533 | BRUNSVILLE | 1127 | — | — |
| 712-546 | LE MARS | 1127 | — | — |
| 712-548 | LE MARS | 1127 | — | — |
| 712-562 | STRUBLE | 1127 | — | — |
| 712-636 | NEMAHA | 1127 | — | — |
| 712-662 | SAC CITY | 1127 | — | Yes |
| 712-674 | DOW CITY | 1127 | — | — |
| 712-678 | CHARTEROAK | 1127 | — | — |
| 712-724 | ASHTON | 1127 | — | Yes |
| 712-737 | ORANGECITY | 1127 | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.