FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
57 prefixes in 281 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 281-208 | STAFFORD | 4344 | — | Yes |
| 281-261 | STAFFORD | 4344 | — | — |
| 281-303 | BEACH CITY | 4344 | — | Yes |
| 281-309 | DICKINSON | 4344 | — | Yes |
| 281-316 | LEAGUECITY | 4344 | — | — |
| 281-324 | HUFFMAN | 4344 | — | Yes |
| 281-326 | KEMAH | 4344 | — | Yes |
| 281-328 | CROSBY | 4344 | — | — |
| 281-332 | LEAGUECITY | 4344 | — | — |
| 281-333 | KEMAH | 2154 | — | — |
| 281-334 | KEMAH | 4344 | — | — |
| 281-335 | KEMAH | 2154 | — | Yes |
| 281-336 | KEMAH | 2154 | — | Yes |
| 281-337 | DICKINSON | 4344 | — | — |
| 281-338 | LEAGUECITY | 4344 | — | — |
| 281-339 | KEMAH | 4344 | — | Yes |
| 281-369 | ROSHARON | 4344 | — | Yes |
| 281-383 | BEACH CITY | 4344 | — | Yes |
| 281-385 | MONTBLVIEU | 4344 | — | Yes |
| 281-403 | STAFFORD | 4344 | — | — |
| 281-420 | BAYTOWN | 4344 | — | — |
| 281-421 | BAYTOWN | 4344 | — | — |
| 281-422 | BAYTOWN | 4344 | — | — |
| 281-424 | BAYTOWN | 4344 | — | — |
| 281-425 | BAYTOWN | 4344 | — | Yes |
| 281-426 | HIGHLANDS | 4344 | — | Yes |
| 281-427 | BAYTOWN | 4344 | — | — |
| 281-428 | BAYTOWN | 4344 | — | Yes |
| 281-431 | ARCOLA | 4344 | — | Yes |
| 281-462 | CROSBY | 4344 | — | Yes |
| 281-499 | STAFFORD | 4344 | — | — |
| 281-521 | KEMAH | 4344 | — | — |
| 281-522 | KEMAH | 4344 | — | Yes |
| 281-523 | KEMAH | 4344 | — | — |
| 281-524 | KEMAH | 4344 | — | Yes |
| 281-525 | LEAGUECITY | 4344 | — | Yes |
| 281-526 | LEAGUECITY | 4344 | — | — |
| 281-532 | KEMAH | 4344 | — | Yes |
| 281-534 | DICKINSON | 4344 | — | — |
| 281-535 | KEMAH | 4344 | — | Yes |
| 281-538 | KEMAH | 4344 | — | — |
| 281-554 | LEAGUECITY | 4344 | — | — |
| 281-557 | LEAGUECITY | 4344 | — | Yes |
| 281-559 | KEMAH | 4344 | — | Yes |
| 281-573 | BEACH CITY | 4344 | — | Yes |
| 281-576 | MONTBLVIEU | 4344 | — | Yes |
| 281-595 | ROSHARON | 4344 | — | Yes |
| 281-614 | DICKINSON | 4344 | — | Yes |
| 281-663 | BAYTOWN | 4344 | — | — |
| 281-672 | LEAGUECITY | 4344 | — | Yes |
| 281-707 | BAYTOWN | 4344 | — | Yes |
| 281-708 | BAYTOWN | 4344 | — | — |
| 281-834 | BAYTOWN | 4344 | — | — |
| 281-837 | BAYTOWN | 4344 | — | Yes |
| 281-838 | BAYTOWN | 4344 | — | Yes |
| 281-839 | BAYTOWN | 4344 | — | Yes |
| 281-843 | HIGHLANDS | 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.