FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
29 prefixes in 940 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 940-240 | ARGYLE | 4344 | — | Yes |
| 940-241 | BARTONVL | 4344 | — | Yes |
| 940-242 | JUSTIN | 4344 | — | Yes |
| 940-243 | DENTON | 4344 | — | — |
| 940-297 | DENTON | 4344 | — | Yes |
| 940-320 | DENTON | 4344 | — | Yes |
| 940-323 | DENTON | 4344 | — | — |
| 940-349 | DENTON | 4344 | — | Yes |
| 940-369 | DENTON | 4344 | — | — |
| 940-380 | DENTON | 4344 | — | — |
| 940-381 | DENTON | 4344 | — | — |
| 940-382 | DENTON | 4344 | — | — |
| 940-383 | DENTON | 4344 | — | — |
| 940-384 | DENTON | 4344 | — | — |
| 940-387 | DENTON | 4344 | — | — |
| 940-437 | TIOGA | 4344 | — | Yes |
| 940-455 | BARTONVL | 4344 | — | Yes |
| 940-464 | ARGYLE | 4344 | — | Yes |
| 940-483 | DENTON | 4344 | — | — |
| 940-484 | DENTON | 4344 | — | — |
| 940-526 | JUSTIN | 4344 | 2022-11-08 | Yes |
| 940-565 | DENTON | 4344 | — | — |
| 940-566 | DENTON | 4344 | — | — |
| 940-584 | BARTONVL | 4344 | 2001-05-17 | Yes |
| 940-591 | DENTON | 4344 | — | — |
| 940-648 | JUSTIN | 4344 | — | Yes |
| 940-686 | PILOTPOINT | 4344 | — | Yes |
| 940-891 | DENTON | 4344 | — | — |
| 940-898 | DENTON | 4344 | — | — |
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.