FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
37 prefixes in 512 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 512-253 | PAIGE | 2154 | — | Yes |
| 512-262 | KYLE | 4344 | — | Yes |
| 512-268 | KYLE | 4344 | — | Yes |
| 512-273 | MCDADE | 2154 | — | Yes |
| 512-295 | BUDA | 4344 | — | Yes |
| 512-312 | BUDA | 4344 | — | Yes |
| 512-355 | BERTRAM | 2154 | — | Yes |
| 512-357 | MARTINDALE | 2154 | — | Yes |
| 512-405 | KYLE | 4344 | — | — |
| 512-449 | KYLE | 4344 | — | — |
| 512-488 | FENTRESS | 2154 | — | Yes |
| 512-489 | BRIGGS | 2154 | — | Yes |
| 512-559 | DALE/LTNSP | 2154 | — | Yes |
| 512-601 | DALE/LTNSP | 2154 | — | Yes |
| 512-715 | BURNET | 2154 | — | Yes |
| 512-746 | JARRELL | 4344 | — | Yes |
| 512-756 | BURNET | 2154 | — | Yes |
| 512-763 | GEORGETOWN | 4344 | — | Yes |
| 512-764 | DALE/LTNSP | 2154 | — | Yes |
| 512-793 | BUCHANNDAM | 2154 | — | Yes |
| 512-819 | GEORGETOWN | 4344 | — | Yes |
| 512-847 | WIMBERLEY | 4344 | — | — |
| 512-856 | COUPLAND | 2154 | — | Yes |
| 512-858 | DRIPPNGSPG | 4344 | — | Yes |
| 512-859 | GRANGER | 4344 | — | Yes |
| 512-862 | SANGABRIEL | 4344 | — | Yes |
| 512-863 | GEORGETOWN | 4344 | — | — |
| 512-864 | GEORGETOWN | 4344 | — | Yes |
| 512-868 | GEORGETOWN | 4344 | — | Yes |
| 512-869 | GEORGETOWN | 4344 | — | Yes |
| 512-894 | DRIPPNGSPG | 4344 | — | Yes |
| 512-898 | THORNDTHRL | 4344 | — | Yes |
| 512-930 | GEORGETOWN | 4344 | — | — |
| 512-931 | GEORGETOWN | 4344 | — | Yes |
| 512-942 | GEORGETOWN | 4344 | — | Yes |
| 512-943 | GEORGETOWN | 4344 | — | Yes |
| 512-948 | GEORGETOWN | 4344 | — | 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.