SOUTHWESTERN BELL
71 prefixes in 830 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 830-221 | NEWBRANFLS | 9533 | 2001-07-10 | Yes |
| 830-239 | RUNGE | 9533 | — | Yes |
| 830-254 | KARNESCITY | 9533 | — | Yes |
| 830-256 | CAMPBELLTN | 9533 | — | Yes |
| 830-264 | CHRISTINE | 9533 | — | Yes |
| 830-276 | POTEET | 9533 | — | Yes |
| 830-278 | UVALDE | 9533 | — | Yes |
| 830-279 | UVALDE | 9533 | — | Yes |
| 830-281 | PLEASANTON | 9533 | — | Yes |
| 830-303 | SEGUIN | 9533 | — | — |
| 830-334 | PEARSALL | 9533 | — | Yes |
| 830-365 | LA PRYOR | 9533 | — | Yes |
| 830-372 | SEGUIN | 9533 | — | — |
| 830-374 | CRYSTAL CY | 9533 | — | Yes |
| 830-376 | BATESVILLE | 9533 | — | Yes |
| 830-379 | SEGUIN | 9533 | — | — |
| 830-386 | SEGUIN | 9533 | — | Yes |
| 830-401 | SEGUIN | 9533 | — | Yes |
| 830-420 | MARION | 9533 | — | Yes |
| 830-426 | HONDO | 9533 | — | Yes |
| 830-457 | BIG WELLS | 9533 | — | Yes |
| 830-460 | BANDERA | 9533 | — | Yes |
| 830-468 | ASHERTON | 9533 | — | Yes |
| 830-486 | UVALDE | 9533 | 2001-04-05 | Yes |
| 830-510 | PIPE CREEK | 9533 | — | Yes |
| 830-535 | PIPE CREEK | 9533 | — | Yes |
| 830-538 | CASTROVL | 9533 | — | Yes |
| 830-557 | SEGUIN | 9533 | — | Yes |
| 830-560 | SEGUIN | 9533 | — | Yes |
| 830-563 | BRACKETTVL | 9533 | — | Yes |
| 830-569 | PLEASANTON | 9533 | — | Yes |
| 830-579 | CAMPBELLTN | 9533 | — | Yes |
| 830-583 | KENEDY | 9533 | — | Yes |
| 830-591 | UVALDE | 9533 | — | — |
| 830-606 | NEWBRANFLS | 9533 | — | — |
| 830-608 | NEWBRANFLS | 9533 | — | — |
| 830-609 | NEWBRANFLS | 9533 | — | Yes |
| 830-612 | MEDINALAKE | 9533 | — | Yes |
| 830-620 | NEWBRANFLS | 9533 | — | — |
| 830-624 | NEWBRANFLS | 9533 | — | Yes |
| 830-625 | NEWBRANFLS | 9533 | — | — |
| 830-626 | NEWBRANFLS | 9533 | — | Yes |
| 830-627 | NEWBRANFLS | 9533 | — | Yes |
| 830-629 | NEWBRANFLS | 9533 | — | — |
| 830-643 | NEWBRANFLS | 9533 | — | Yes |
| 830-663 | DEVINE | 9533 | — | Yes |
| 830-665 | DEVINE | 9533 | — | Yes |
| 830-709 | LYTLE | 9533 | — | Yes |
| 830-730 | NEWBRANFLS | 9533 | — | Yes |
| 830-741 | HONDO | 9533 | — | Yes |
| 830-742 | POTEET | 9533 | — | Yes |
| 830-751 | MEDINALAKE | 9533 | — | Yes |
| 830-752 | EAGLE PASS | 9533 | — | Yes |
| 830-757 | EAGLE PASS | 9533 | — | — |
| 830-758 | EAGLE PASS | 9533 | — | Yes |
| 830-762 | LACOSTE | 9533 | — | Yes |
| 830-772 | LYTLE | 9533 | — | Yes |
| 830-773 | EAGLE PASS | 9533 | — | — |
| 830-780 | KARNESCITY | 9533 | — | Yes |
| 830-783 | POTEET | 9533 | 2001-05-11 | Yes |
| 830-784 | CHRISTINE | 9533 | — | Yes |
| 830-796 | BANDERA | 9533 | — | Yes |
| 830-872 | EAGLE PASS | 9533 | 2001-05-11 | Yes |
| 830-875 | LULING | 9533 | — | Yes |
| 830-876 | CARRIZOSPG | 9533 | — | Yes |
| 830-879 | COTULLA | 9533 | — | Yes |
| 830-914 | MARION | 9533 | — | Yes |
| 830-931 | CASTROVL | 9533 | — | Yes |
| 830-985 | LACOSTE | 9533 | — | Yes |
| 830-988 | SABINAL | 9533 | — | Yes |
| 830-999 | CATARINA | 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.