SOUTHWESTERN BELL
79 prefixes in 432 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 432-221 | MIDLAND | 9533 | — | — |
| 432-248 | ODESSA | 9533 | 2013-01-22 | Yes |
| 432-257 | ODESSA | 9533 | 2002-08-07 | Yes |
| 432-263 | BIG SPRING | 9533 | — | Yes |
| 432-264 | BIG SPRING | 9533 | — | — |
| 432-267 | BIG SPRING | 9533 | — | — |
| 432-268 | BIG SPRING | 9533 | — | Yes |
| 432-289 | MIDLAND | 9533 | 2001-03-09 | Yes |
| 432-304 | XXXXXXXXXX | 9533 | — | — |
| 432-331 | ODESSA | 9533 | — | Yes |
| 432-332 | ODESSA | 9533 | — | — |
| 432-333 | ODESSA | 9533 | — | Yes |
| 432-334 | ODESSA | 9533 | — | — |
| 432-335 | ODESSA | 9533 | — | — |
| 432-336 | FTSTOCKTON | 9533 | — | Yes |
| 432-337 | ODESSA | 9533 | — | Yes |
| 432-362 | ODESSA | 9533 | — | — |
| 432-363 | ODESSA | 9533 | — | Yes |
| 432-366 | ODESSA | 9533 | — | — |
| 432-367 | ODESSA | 9533 | — | — |
| 432-368 | ODESSA | 9533 | — | — |
| 432-381 | ODESSA | 9533 | — | Yes |
| 432-385 | ODESSA | 9533 | — | Yes |
| 432-386 | MARATHON | 9533 | — | Yes |
| 432-426 | FORT DAVIS | 9533 | — | Yes |
| 432-438 | ODESSA | 9533 | — | Yes |
| 432-456 | ODESSA | 9533 | 2010-10-14 | Yes |
| 432-466 | BIG SPRING | 9533 | — | Yes |
| 432-488 | TERMINAL | 9533 | — | Yes |
| 432-495 | TERMINAL | 9533 | — | — |
| 432-498 | TERMINAL | 9533 | — | — |
| 432-499 | TERMINAL | 9533 | — | — |
| 432-520 | MIDLAND | 9533 | — | — |
| 432-522 | MIDLAND | 9533 | — | Yes |
| 432-527 | WINK | 9533 | — | Yes |
| 432-530 | ODESSA | 9533 | — | Yes |
| 432-535 | MIDKIFF | 9533 | — | Yes |
| 432-547 | GRANDFALLS | 9533 | — | Yes |
| 432-550 | ODESSA | 9533 | — | — |
| 432-552 | ODESSA | 9533 | — | Yes |
| 432-558 | CRANE | 9533 | — | Yes |
| 432-560 | TERMINAL | 9533 | — | — |
| 432-561 | TERMINAL | 9533 | — | — |
| 432-563 | TERMINAL | 9533 | — | — |
| 432-567 | TERMINAL | 9533 | — | — |
| 432-570 | MIDLAND | 9533 | — | Yes |
| 432-571 | MIDLAND | 9533 | — | Yes |
| 432-580 | ODESSA | 9533 | — | Yes |
| 432-582 | ODESSA | 9533 | — | Yes |
| 432-586 | KERMIT | 9533 | — | Yes |
| 432-620 | MIDLAND | 9533 | — | — |
| 432-639 | IRAAN | 9533 | — | Yes |
| 432-640 | TERMINAL | 9533 | — | Yes |
| 432-652 | MCCAMEY | 9533 | — | Yes |
| 432-681 | MIDLAND | 9533 | — | Yes |
| 432-682 | MIDLAND | 9533 | — | — |
| 432-683 | MIDLAND | 9533 | — | — |
| 432-684 | MIDLAND | 9533 | — | — |
| 432-685 | MIDLAND | 9533 | — | — |
| 432-686 | MIDLAND | 9533 | — | — |
| 432-687 | MIDLAND | 9533 | — | — |
| 432-688 | MIDLAND | 9533 | — | — |
| 432-689 | MIDLAND | 9533 | — | — |
| 432-693 | RANKIN | 9533 | — | Yes |
| 432-694 | MIDLAND | 9533 | — | — |
| 432-697 | MIDLAND | 9533 | — | — |
| 432-699 | MIDLAND | 9533 | — | — |
| 432-703 | ODESSA | 9533 | 2013-05-09 | Yes |
| 432-729 | MARFA | 9533 | — | Yes |
| 432-741 | TERMINAL | 9533 | — | Yes |
| 432-742 | MIDLAND | 9533 | — | Yes |
| 432-756 | STANTON | 9533 | — | Yes |
| 432-758 | SEMINOLE | 9533 | — | — |
| 432-818 | MIDLAND | 9533 | — | Yes |
| 432-827 | GOLDSMITH | 9533 | — | Yes |
| 432-837 | ALPINE | 9533 | — | Yes |
| 432-943 | MONAHANS | 9533 | — | Yes |
| 432-955 | SEMINOLE | 9533 | 2002-03-28 | Yes |
| 432-994 | MIDLAND | 9533 | 2002-07-12 | 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.