SOUTHWESTERN BELL
116 prefixes in 316 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 316-215 | WHITEWATER | 9533 | — | Yes |
| 316-218 | WICHITA | 9533 | — | Yes |
| 316-220 | WICHITA | 9533 | — | — |
| 316-261 | WICHITA | 9533 | — | — |
| 316-262 | WICHITA | 9533 | — | — |
| 316-263 | WICHITA | 9533 | — | — |
| 316-264 | WICHITA | 9533 | — | — |
| 316-265 | WICHITA | 9533 | — | — |
| 316-266 | WICHITA | 9533 | — | — |
| 316-267 | WICHITA | 9533 | — | — |
| 316-268 | WICHITA | 9533 | — | — |
| 316-269 | WICHITA | 9533 | — | Yes |
| 316-281 | NEWTON | 9533 | — | Yes |
| 316-282 | NEWTON | 9533 | — | Yes |
| 316-283 | NEWTON | 9533 | — | — |
| 316-284 | NEWTON | 9533 | — | Yes |
| 316-290 | WICHITA | 9533 | — | Yes |
| 316-291 | WICHITA | 9533 | — | — |
| 316-292 | WICHITA | 9533 | — | — |
| 316-293 | WICHITA | 9533 | — | Yes |
| 316-295 | WICHITA | 9533 | — | Yes |
| 316-299 | WICHITA | 9533 | — | Yes |
| 316-300 | WICHITA | 9533 | — | Yes |
| 316-303 | WICHITA | 9533 | — | Yes |
| 316-315 | WICHITA | 9533 | — | Yes |
| 316-320 | EL DORADO | 9533 | — | Yes |
| 316-321 | EL DORADO | 9533 | — | — |
| 316-322 | EL DORADO | 9533 | — | Yes |
| 316-323 | EL DORADO | 9533 | — | Yes |
| 316-337 | WICHITA | 9533 | — | Yes |
| 316-352 | WICHITA | 9533 | — | Yes |
| 316-383 | WICHITA | 9533 | — | — |
| 316-416 | WHITEWATER | 9533 | 2001-06-26 | Yes |
| 316-436 | WICHITA | 9533 | — | — |
| 316-444 | ANDALE | 9533 | — | Yes |
| 316-445 | ANDALE | 9533 | — | Yes |
| 316-517 | WICHITA | 9533 | — | — |
| 316-522 | WICHITA | 9533 | — | — |
| 316-523 | WICHITA | 9533 | — | — |
| 316-524 | WICHITA | 9533 | — | — |
| 316-526 | WICHITA | 9533 | — | — |
| 316-529 | WICHITA | 9533 | — | — |
| 316-531 | GARDEN PL | 9533 | — | Yes |
| 316-535 | GARDEN PL | 9533 | — | Yes |
| 316-536 | TOWANDA | 9533 | — | Yes |
| 316-540 | CHENEY | 9533 | — | Yes |
| 316-541 | TOWANDA | 9533 | — | Yes |
| 316-542 | CHENEY | 9533 | — | Yes |
| 316-554 | WICHITA | 9533 | — | Yes |
| 316-570 | WICHITA | 9533 | — | Yes |
| 316-609 | WICHITA | 9533 | — | Yes |
| 316-612 | WICHITA | 9533 | — | Yes |
| 316-618 | WICHITA | 9533 | — | Yes |
| 316-630 | WICHITA | 9533 | — | — |
| 316-631 | WICHITA | 9533 | — | Yes |
| 316-634 | WICHITA | 9533 | — | — |
| 316-636 | WICHITA | 9533 | — | Yes |
| 316-651 | WICHITA | 9533 | — | Yes |
| 316-652 | WICHITA | 9533 | — | Yes |
| 316-660 | WICHITA | 9533 | — | Yes |
| 316-661 | MOUNT HOPE | 9533 | — | Yes |
| 316-667 | MOUNT HOPE | 9533 | — | Yes |
| 316-670 | WICHITA | 9533 | — | Yes |
| 316-671 | WICHITA | 9533 | — | — |
| 316-676 | WICHITA | 9533 | — | — |
| 316-677 | WICHITA | 9533 | — | Yes |
| 316-681 | WICHITA | 9533 | — | Yes |
| 316-682 | WICHITA | 9533 | — | — |
| 316-683 | WICHITA | 9533 | — | — |
| 316-684 | WICHITA | 9533 | — | — |
| 316-685 | WICHITA | 9533 | — | — |
| 316-686 | WICHITA | 9533 | — | — |
| 316-687 | WICHITA | 9533 | — | — |
| 316-688 | WICHITA | 9533 | — | Yes |
| 316-689 | WICHITA | 9533 | — | Yes |
| 316-691 | WICHITA | 9533 | — | Yes |
| 316-721 | WICHITA | 9533 | — | — |
| 316-722 | WICHITA | 9533 | — | — |
| 316-729 | WICHITA | 9533 | — | — |
| 316-730 | WICHITA | 9533 | — | Yes |
| 316-733 | WICHITA | 9533 | — | — |
| 316-742 | LEON | 9533 | — | Yes |
| 316-744 | WICHITA | 9533 | — | Yes |
| 316-745 | LEON | 9533 | — | Yes |
| 316-746 | DOUGLASS | 9533 | — | Yes |
| 316-747 | DOUGLASS | 9533 | — | Yes |
| 316-755 | WICHITA | 9533 | — | Yes |
| 316-759 | WICHITA | 9533 | — | Yes |
| 316-772 | WHITEWATER | 9533 | — | — |
| 316-773 | WICHITA | 9533 | — | Yes |
| 316-775 | WICHITA | 9533 | — | Yes |
| 316-776 | WICHITA | 9533 | — | Yes |
| 316-777 | WICHITA | 9533 | — | Yes |
| 316-778 | BENTON | 9533 | — | Yes |
| 316-788 | WICHITA | 9533 | — | — |
| 316-789 | WICHITA | 9533 | — | Yes |
| 316-794 | GODDARD | 9533 | — | Yes |
| 316-796 | WICHITA | 9533 | — | Yes |
| 316-799 | WHITEWATER | 9533 | — | Yes |
| 316-821 | WICHITA | 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.