SOUTHWESTERN BELL
237 prefixes in 405 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 405-499 | BETHANY | 9533 | — | — |
| 405-521 | OKLA CITY | 9533 | — | Yes |
| 405-523 | OKLA CITY | 9533 | — | — |
| 405-524 | OKLA CITY | 9533 | — | — |
| 405-525 | OKLA CITY | 9533 | — | — |
| 405-528 | OKLA CITY | 9533 | — | — |
| 405-530 | OKLA CITY | 9533 | — | — |
| 405-547 | PERKINS | 9533 | — | Yes |
| 405-551 | OKLA CITY | 9533 | — | Yes |
| 405-552 | OKLA CITY | 9533 | — | — |
| 405-553 | OKLA CITY | 9533 | — | — |
| 405-556 | OKLA CITY | 9533 | — | Yes |
| 405-557 | OKLA CITY | 9533 | — | — |
| 405-558 | OKLA CITY | 9533 | — | Yes |
| 405-573 | NORMAN | 9533 | — | — |
| 405-574 | CHICKASHA | 9533 | — | Yes |
| 405-576 | OKLA CITY | 9533 | — | Yes |
| 405-577 | YUKON | 9533 | — | Yes |
| 405-579 | NORMAN | 9533 | — | — |
| 405-582 | MIDWEST CY | 9533 | 2008-06-19 | Yes |
| 405-586 | MERIDIAN | 9533 | — | Yes |
| 405-587 | OKLA CITY | 9533 | 2002-06-10 | — |
| 405-599 | OKLA CITY | 9533 | — | — |
| 405-616 | OKLA CITY | 9533 | — | Yes |
| 405-619 | OKLA CITY | 9533 | — | Yes |
| 405-620 | OKLA CITY | 9533 | — | Yes |
| 405-621 | BETHANY | 9533 | — | Yes |
| 405-624 | STILLWATER | 9533 | — | — |
| 405-629 | OKLA CITY | 9533 | — | — |
| 405-630 | OKLA CITY | 9533 | — | Yes |
| 405-631 | OKLA CITY | 9533 | — | — |
| 405-632 | OKLA CITY | 9533 | — | — |
| 405-634 | OKLA CITY | 9533 | — | Yes |
| 405-635 | OKLA CITY | 9533 | — | Yes |
| 405-636 | OKLA CITY | 9533 | — | — |
| 405-643 | FORT COBB | 9533 | — | Yes |
| 405-644 | OKLA CITY | 9533 | — | — |
| 405-645 | CALVIN | 9533 | — | Yes |
| 405-649 | MULHALL | 9533 | — | Yes |
| 405-656 | BINGER | 9533 | — | Yes |
| 405-665 | WYNNEWOOD | 9533 | — | Yes |
| 405-670 | OKLA CITY | 9533 | — | Yes |
| 405-671 | OKLA CITY | 9533 | — | — |
| 405-672 | OKLA CITY | 9533 | — | — |
| 405-677 | OKLA CITY | 9533 | — | — |
| 405-680 | OKLA CITY | 9533 | — | — |
| 405-681 | OKLA CITY | 9533 | — | — |
| 405-682 | OKLA CITY | 9533 | — | — |
| 405-684 | OKLA CITY | 9533 | — | Yes |
| 405-685 | OKLA CITY | 9533 | — | — |
| 405-686 | OKLA CITY | 9533 | — | Yes |
| 405-688 | OKLA CITY | 9533 | — | — |
| 405-691 | MOORE | 9533 | — | Yes |
| 405-692 | MOORE | 9533 | — | — |
| 405-707 | STILLWATER | 9533 | — | — |
| 405-713 | OKLA CITY | 9533 | — | Yes |
| 405-715 | EDMOND | 9533 | — | — |
| 405-717 | BETHANY | 9533 | — | — |
| 405-720 | BETHANY | 9533 | — | — |
| 405-721 | BETHANY | 9533 | — | — |
| 405-722 | BETHANY | 9533 | — | — |
| 405-728 | BETHANY | 9533 | — | Yes |
| 405-730 | BETHANY | 9533 | — | Yes |
| 405-732 | MIDWEST CY | 9533 | — | — |
| 405-733 | MIDWEST CY | 9533 | — | — |
| 405-734 | MIDWEST CY | 9533 | — | — |
| 405-736 | MIDWEST CY | 9533 | — | — |
| 405-737 | MIDWEST CY | 9533 | — | — |
| 405-739 | MIDWEST CY | 9533 | — | — |
| 405-741 | MIDWEST CY | 9533 | — | Yes |
| 405-742 | STILLWATER | 9533 | — | Yes |
| 405-743 | STILLWATER | 9533 | — | — |
| 405-744 | STILLWATER | 9533 | — | — |
| 405-745 | WHEATLAND | 9533 | — | Yes |
| 405-747 | STILLWATER | 9533 | — | Yes |
| 405-748 | BRITTON | 9533 | — | Yes |
| 405-749 | BRITTON | 9533 | — | Yes |
| 405-751 | BRITTON | 9533 | — | — |
| 405-752 | BRITTON | 9533 | — | — |
| 405-753 | BRITTON | 9533 | — | Yes |
| 405-755 | BRITTON | 9533 | — | — |
| 405-767 | BRITTON | 9533 | — | Yes |
| 405-769 | NICOMAPARK | 9533 | — | — |
| 405-771 | SPENCER | 9533 | — | Yes |
| 405-773 | BETHANY | 9533 | — | Yes |
| 405-775 | BRITTON | 9533 | — | Yes |
| 405-779 | CHICKASHA | 9533 | — | Yes |
| 405-780 | STILLWATER | 9533 | — | Yes |
| 405-782 | BETHANY | 9533 | — | Yes |
| 405-783 | BYARS | 9533 | — | Yes |
| 405-785 | ALEX | 9533 | — | Yes |
| 405-786 | WELEETKA | 9533 | — | Yes |
| 405-787 | BETHANY | 9533 | — | — |
| 405-789 | BETHANY | 9533 | — | — |
| 405-790 | MOORE | 9533 | — | — |
| 405-791 | BETHANY | 9533 | — | Yes |
| 405-792 | BETHANY | 9533 | — | Yes |
| 405-793 | MOORE | 9533 | — | — |
| 405-794 | MOORE | 9533 | — | — |
| 405-798 | BETHANY | 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.