SOUTHWESTERN BELL
277 prefixes in 214 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 214-200 | DALLAS | 9533 | — | Yes |
| 214-219 | DALLAS | 9533 | — | Yes |
| 214-220 | DALLAS | 9533 | — | — |
| 214-221 | DALLAS | 9533 | — | — |
| 214-224 | DALLAS | 9533 | — | Yes |
| 214-234 | DALLAS | 9533 | 2001-07-23 | Yes |
| 214-239 | DALLAS | 9533 | — | Yes |
| 214-243 | DALLAS | 9533 | — | Yes |
| 214-252 | DALLAS | 9533 | — | Yes |
| 214-256 | DALLAS | 9533 | — | Yes |
| 214-265 | DALLAS | 9533 | — | — |
| 214-266 | DALLAS | 9533 | — | — |
| 214-267 | DALLAS | 9533 | — | Yes |
| 214-268 | GRANDPRARI | 9533 | — | — |
| 214-275 | DALLAS | 9533 | — | Yes |
| 214-286 | DALLAS | 9533 | — | Yes |
| 214-290 | DALLAS | 9533 | — | Yes |
| 214-296 | DALLAS | 9533 | 2001-04-24 | Yes |
| 214-302 | DALLAS | 9533 | — | Yes |
| 214-303 | DALLAS | 9533 | — | Yes |
| 214-306 | DALLAS | 9533 | — | Yes |
| 214-309 | DALLAS | 9533 | — | Yes |
| 214-312 | DALLAS | 9533 | — | — |
| 214-319 | DALLAS | 9533 | — | Yes |
| 214-320 | DALLAS | 9533 | — | Yes |
| 214-321 | DALLAS | 9533 | — | — |
| 214-324 | DALLAS | 9533 | — | — |
| 214-327 | DALLAS | 9533 | — | Yes |
| 214-328 | DALLAS | 9533 | — | — |
| 214-330 | DALLAS | 9533 | — | — |
| 214-331 | DALLAS | 9533 | — | — |
| 214-333 | DALLAS | 9533 | — | — |
| 214-337 | DALLAS | 9533 | — | — |
| 214-339 | DALLAS | 9533 | — | — |
| 214-340 | DALLAS | 9533 | — | — |
| 214-341 | DALLAS | 9533 | — | — |
| 214-342 | DALLAS | 9533 | — | Yes |
| 214-343 | DALLAS | 9533 | — | — |
| 214-345 | DALLAS | 9533 | — | — |
| 214-346 | DALLAS | 9533 | — | — |
| 214-348 | DALLAS | 9533 | — | — |
| 214-349 | DALLAS | 9533 | — | Yes |
| 214-350 | DALLAS | 9533 | — | — |
| 214-351 | DALLAS | 9533 | — | — |
| 214-352 | DALLAS | 9533 | — | — |
| 214-353 | DALLAS | 9533 | — | — |
| 214-355 | DALLAS | 9533 | — | Yes |
| 214-357 | DALLAS | 9533 | — | — |
| 214-358 | DALLAS | 9533 | — | — |
| 214-360 | DALLAS | 9533 | — | — |
| 214-361 | DALLAS | 9533 | — | — |
| 214-363 | DALLAS | 9533 | — | — |
| 214-365 | DALLAS | 9533 | — | — |
| 214-366 | DALLAS | 9533 | — | — |
| 214-367 | DALLAS | 9533 | — | Yes |
| 214-368 | DALLAS | 9533 | — | — |
| 214-369 | DALLAS | 9533 | — | — |
| 214-370 | DALLAS | 9533 | — | Yes |
| 214-371 | DALLAS | 9533 | — | — |
| 214-372 | DALLAS | 9533 | — | — |
| 214-373 | DALLAS | 9533 | — | — |
| 214-374 | DALLAS | 9533 | — | Yes |
| 214-375 | DALLAS | 9533 | — | — |
| 214-376 | DALLAS | 9533 | — | — |
| 214-378 | DALLAS | 9533 | — | Yes |
| 214-381 | DALLAS | 9533 | — | — |
| 214-383 | ALLEN | 9533 | 2004-01-07 | Yes |
| 214-387 | FRISCO | 9533 | 2001-03-07 | Yes |
| 214-388 | DALLAS | 9533 | — | — |
| 214-391 | DALLAS | 9533 | — | — |
| 214-397 | DALLAS | 9533 | — | Yes |
| 214-398 | DALLAS | 9533 | — | — |
| 214-409 | DALLAS | 9533 | 2007-01-17 | Yes |
| 214-413 | DALLAS | 9533 | 2001-06-07 | Yes |
| 214-421 | DALLAS | 9533 | — | — |
| 214-424 | DALLAS | 9533 | — | Yes |
| 214-426 | DALLAS | 9533 | — | Yes |
| 214-428 | DALLAS | 9533 | — | Yes |
| 214-429 | DALLAS | 9533 | — | Yes |
| 214-431 | DALLAS | 9533 | — | Yes |
| 214-436 | FRISCO | 9533 | 2008-10-24 | Yes |
| 214-443 | DALLAS | 9533 | — | — |
| 214-456 | DALLAS | 9533 | — | — |
| 214-462 | DALLAS | 9533 | — | Yes |
| 214-464 | DALLAS | 9533 | — | — |
| 214-465 | DALLAS | 9533 | — | — |
| 214-466 | DALLAS | 9533 | — | Yes |
| 214-467 | DALLAS | 9533 | — | Yes |
| 214-468 | DALLAS | 9533 | — | Yes |
| 214-469 | FRISCO | 9533 | 2007-03-13 | Yes |
| 214-479 | DALLAS | 9533 | 2010-11-01 | Yes |
| 214-480 | DALLAS | 9533 | — | Yes |
| 214-486 | DALLAS | 9533 | — | Yes |
| 214-489 | DALLAS | 9533 | — | Yes |
| 214-491 | MCKINNEY | 9533 | — | Yes |
| 214-494 | FRISCO | 9533 | 2010-04-08 | Yes |
| 214-495 | ALLEN | 9533 | — | Yes |
| 214-496 | DALLAS | 9533 | — | — |
| 214-503 | DALLAS | 9533 | — | — |
| 214-504 | MCKINNEY | 9533 | — | 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.