SOUTHWESTERN BELL
157 prefixes in 580 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 580-595 | LAWTON | 9533 | — | Yes |
| 580-596 | CHEROKEE | 9533 | — | Yes |
| 580-616 | ENID | 9533 | 2008-08-14 | Yes |
| 580-628 | TONKAWA | 9533 | — | Yes |
| 580-633 | ELDORADO | 9533 | — | Yes |
| 580-648 | OLUSTEE | 9533 | — | Yes |
| 580-658 | MARLOW | 9533 | — | Yes |
| 580-662 | RINGLING | 9533 | — | Yes |
| 580-666 | ROCKY | 9533 | — | Yes |
| 580-668 | WILSON | 9533 | — | Yes |
| 580-669 | GLENCOE | 9533 | — | Yes |
| 580-677 | MADILL | 9533 | — | Yes |
| 580-718 | PONCA CITY | 9533 | — | Yes |
| 580-723 | RED ROCK | 9533 | — | Yes |
| 580-724 | MORRISON | 9533 | — | Yes |
| 580-725 | BILLINGS | 9533 | — | Yes |
| 580-726 | HOBART | 9533 | — | Yes |
| 580-730 | LAWTON | 9533 | — | Yes |
| 580-738 | HEADRICK | 9533 | — | Yes |
| 580-743 | HUGO | 9533 | — | Yes |
| 580-745 | DURANT | 9533 | — | Yes |
| 580-757 | RYAN | 9533 | — | Yes |
| 580-758 | WAUKOMIS | 9533 | — | Yes |
| 580-759 | STRATFORD | 9533 | — | Yes |
| 580-762 | PONCA CITY | 9533 | — | — |
| 580-763 | PONCA CITY | 9533 | — | Yes |
| 580-765 | PONCA CITY | 9533 | — | — |
| 580-767 | PONCA CITY | 9533 | — | — |
| 580-772 | WEATHERFD | 9533 | — | Yes |
| 580-774 | WEATHERFD | 9533 | — | Yes |
| 580-782 | MANGUM | 9533 | — | Yes |
| 580-795 | MADILL | 9533 | — | Yes |
| 580-816 | WEATHERFD | 9533 | — | Yes |
| 580-819 | WEATHERFD | 9533 | — | Yes |
| 580-821 | ELK CITY | 9533 | — | Yes |
| 580-832 | CORDELL | 9533 | — | Yes |
| 580-846 | LONE WOLF | 9533 | — | Yes |
| 580-847 | BENNINGTON | 9533 | — | Yes |
| 580-855 | CARRIER | 9533 | — | Yes |
| 580-857 | ALLEN | 9533 | — | Yes |
| 580-873 | FORTTOWSON | 9533 | — | Yes |
| 580-874 | KREMLIN | 9533 | — | Yes |
| 580-875 | WALTERS | 9533 | — | Yes |
| 580-877 | SOUTHMEADE | 9533 | — | Yes |
| 580-889 | ATOKA | 9533 | — | Yes |
| 580-897 | XXXXXXXXXX | 9533 | — | — |
| 580-916 | DURANT | 9533 | — | Yes |
| 580-920 | DURANT | 9533 | — | Yes |
| 580-924 | DURANT | 9533 | — | — |
| 580-925 | KONAWA | 9533 | — | Yes |
| 580-927 | COALGATE | 9533 | — | Yes |
| 580-928 | SAYRE | 9533 | — | Yes |
| 580-931 | DURANT | 9533 | — | Yes |
| 580-937 | WAPANUCKA | 9533 | — | Yes |
| 580-953 | XXXXXXXXXX | 9533 | — | — |
| 580-977 | ENID | 9533 | — | Yes |
| 580-999 | XXXXXXXXXX | 9533 | — | — |
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.