SOUTHWESTERN BELL
221 prefixes in 816 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 816-503 | KANSASCITY | 9533 | — | Yes |
| 816-504 | KANSASCITY | 9533 | — | Yes |
| 816-505 | KANSASCITY | 9533 | — | — |
| 816-508 | KANSASCITY | 9533 | — | Yes |
| 816-512 | KANSASCITY | 9533 | — | Yes |
| 816-513 | KANSASCITY | 9533 | — | — |
| 816-521 | KANSASCITY | 9533 | — | Yes |
| 816-523 | KANSASCITY | 9533 | — | — |
| 816-524 | LEESSUMMIT | 9533 | — | — |
| 816-525 | LEESSUMMIT | 9533 | — | — |
| 816-527 | KANSASCITY | 9533 | — | Yes |
| 816-531 | KANSASCITY | 9533 | — | Yes |
| 816-532 | SMITHVILLE | 9533 | — | Yes |
| 816-537 | GREENWOOD | 9533 | — | Yes |
| 816-545 | KANSASCITY | 9533 | — | Yes |
| 816-546 | FARLEY | 9533 | — | Yes |
| 816-554 | LEESSUMMIT | 9533 | — | — |
| 816-556 | KANSASCITY | 9533 | — | Yes |
| 816-559 | KANSASCITY | 9533 | — | Yes |
| 816-561 | KANSASCITY | 9533 | — | — |
| 816-572 | KANSASCITY | 9533 | — | Yes |
| 816-576 | KANSASCITY | 9533 | — | — |
| 816-579 | E ATCHISON | 9533 | — | Yes |
| 816-584 | KANSASCITY | 9533 | — | Yes |
| 816-585 | KANSASCITY | 9533 | — | Yes |
| 816-587 | KANSASCITY | 9533 | — | — |
| 816-598 | BLUE SPG | 9533 | — | Yes |
| 816-604 | KANSASCITY | 9533 | 2009-07-29 | Yes |
| 816-607 | LEESSUMMIT | 9533 | 2008-10-09 | Yes |
| 816-612 | KANSASCITY | 9533 | — | Yes |
| 816-622 | BLUE SPG | 9533 | — | Yes |
| 816-623 | GREENWOOD | 9533 | — | Yes |
| 816-629 | EXCELSRSPG | 9533 | — | Yes |
| 816-630 | EXCELSRSPG | 9533 | — | — |
| 816-631 | KANSASCITY | 9533 | 2018-03-09 | Yes |
| 816-637 | EXCELSRSPG | 9533 | — | Yes |
| 816-647 | KANSASCITY | 9533 | 2016-06-21 | Yes |
| 816-654 | KANSASCITY | 9533 | — | Yes |
| 816-655 | BLUE SPG | 9533 | — | Yes |
| 816-667 | SANANTONIO | 9533 | — | Yes |
| 816-670 | ARCHIE | 9533 | 2001-05-10 | Yes |
| 816-671 | ST JOSEPH | 9533 | — | Yes |
| 816-672 | KANSASCITY | 9533 | — | Yes |
| 816-676 | ST JOSEPH | 9533 | — | Yes |
| 816-685 | DE KALB | 9533 | — | Yes |
| 816-688 | RUSHVILLE | 9533 | — | Yes |
| 816-691 | KANSASCITY | 9533 | — | — |
| 816-698 | KANSASCITY | 9533 | — | Yes |
| 816-701 | KANSASCITY | 9533 | — | Yes |
| 816-703 | KANSASCITY | 9533 | — | Yes |
| 816-714 | KANSASCITY | 9533 | — | Yes |
| 816-730 | KANSASCITY | 9533 | — | Yes |
| 816-734 | LIBERTY | 9533 | — | Yes |
| 816-736 | LIBERTY | 9533 | — | Yes |
| 816-737 | KANSASCITY | 9533 | — | Yes |
| 816-741 | KANSASCITY | 9533 | — | — |
| 816-743 | KANSASCITY | 9533 | — | Yes |
| 816-746 | KANSASCITY | 9533 | — | — |
| 816-751 | KANSASCITY | 9533 | — | — |
| 816-753 | KANSASCITY | 9533 | — | — |
| 816-756 | KANSASCITY | 9533 | — | Yes |
| 816-759 | KANSASCITY | 9533 | — | Yes |
| 816-760 | KANSASCITY | 9533 | — | Yes |
| 816-761 | KANSASCITY | 9533 | — | — |
| 816-763 | KANSASCITY | 9533 | — | — |
| 816-765 | KANSASCITY | 9533 | — | — |
| 816-767 | KANSASCITY | 9533 | — | — |
| 816-776 | RICHMOND | 9533 | — | Yes |
| 816-781 | LIBERTY | 9533 | — | — |
| 816-783 | KANSASCITY | 9533 | — | Yes |
| 816-784 | KANSASCITY | 9533 | — | — |
| 816-792 | LIBERTY | 9533 | — | — |
| 816-795 | KANSASCITY | 9533 | — | — |
| 816-796 | KANSASCITY | 9533 | — | — |
| 816-801 | KANSASCITY | 9533 | — | Yes |
| 816-802 | KANSASCITY | 9533 | — | Yes |
| 816-822 | KANSASCITY | 9533 | — | — |
| 816-823 | KANSASCITY | 9533 | — | — |
| 816-833 | KANSASCITY | 9533 | — | Yes |
| 816-836 | KANSASCITY | 9533 | — | Yes |
| 816-842 | KANSASCITY | 9533 | — | — |
| 816-843 | KANSASCITY | 9533 | — | — |
| 816-844 | KANSASCITY | 9533 | — | Yes |
| 816-847 | GRAIN VLY | 9533 | — | Yes |
| 816-848 | EXCELSRSPG | 9533 | 2001-05-10 | Yes |
| 816-854 | KANSASCITY | 9533 | — | Yes |
| 816-855 | KANSASCITY | 9533 | — | — |
| 816-860 | KANSASCITY | 9533 | — | — |
| 816-861 | KANSASCITY | 9533 | — | — |
| 816-871 | KANSASCITY | 9533 | — | — |
| 816-873 | SMITHVILLE | 9533 | — | Yes |
| 816-880 | KANSASCITY | 9533 | — | — |
| 816-881 | KANSASCITY | 9533 | — | — |
| 816-889 | KANSASCITY | 9533 | — | Yes |
| 816-891 | KANSASCITY | 9533 | — | — |
| 816-901 | ST JOSEPH | 9533 | — | — |
| 816-920 | KANSASCITY | 9533 | — | Yes |
| 816-921 | KANSASCITY | 9533 | — | — |
| 816-922 | KANSASCITY | 9533 | — | Yes |
| 816-923 | KANSASCITY | 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.