SOUTHWESTERN BELL
277 prefixes in 214 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 214-508 | DALLAS | 9533 | — | — |
| 214-509 | ALLEN | 9533 | 2001-06-14 | Yes |
| 214-515 | DALLAS | 9533 | — | Yes |
| 214-520 | DALLAS | 9533 | — | — |
| 214-521 | DALLAS | 9533 | — | — |
| 214-522 | DALLAS | 9533 | — | — |
| 214-523 | DALLAS | 9533 | — | — |
| 214-525 | DALLAS | 9533 | — | — |
| 214-526 | DALLAS | 9533 | — | — |
| 214-527 | DALLAS | 9533 | — | Yes |
| 214-528 | DALLAS | 9533 | — | — |
| 214-539 | DALLAS | 9533 | — | — |
| 214-544 | MCKINNEY | 9533 | — | Yes |
| 214-547 | ALLEN | 9533 | — | — |
| 214-553 | DALLAS | 9533 | — | — |
| 214-559 | DALLAS | 9533 | — | — |
| 214-565 | DALLAS | 9533 | — | — |
| 214-567 | DALLAS | 9533 | — | — |
| 214-570 | DALLAS | 9533 | — | — |
| 214-571 | DALLAS | 9533 | — | Yes |
| 214-573 | DALLAS | 9533 | — | Yes |
| 214-574 | DALLAS | 9533 | — | Yes |
| 214-575 | DALLAS | 9533 | — | — |
| 214-576 | DALLAS | 9533 | — | Yes |
| 214-579 | DALLAS | 9533 | — | Yes |
| 214-583 | DALLAS | 9533 | — | Yes |
| 214-584 | DALLAS | 9533 | — | Yes |
| 214-585 | MCKINNEY | 9533 | — | Yes |
| 214-589 | DALLAS | 9533 | — | — |
| 214-590 | DALLAS | 9533 | — | — |
| 214-592 | MCKINNEY | 9533 | 2001-03-01 | Yes |
| 214-599 | DALLAS | 9533 | — | — |
| 214-610 | XXXXXXXXXX | 9533 | — | — |
| 214-623 | DALLAS | 9533 | — | Yes |
| 214-630 | DALLAS | 9533 | — | — |
| 214-631 | DALLAS | 9533 | — | Yes |
| 214-633 | DALLAS | 9533 | 2007-08-27 | Yes |
| 214-634 | DALLAS | 9533 | — | — |
| 214-635 | DALLAS | 9533 | — | Yes |
| 214-637 | DALLAS | 9533 | — | Yes |
| 214-638 | DALLAS | 9533 | — | Yes |
| 214-640 | DALLAS | 9533 | — | Yes |
| 214-643 | DALLAS | 9533 | — | Yes |
| 214-645 | DALLAS | 9533 | — | — |
| 214-648 | DALLAS | 9533 | — | — |
| 214-651 | DALLAS | 9533 | — | — |
| 214-652 | DALLAS | 9533 | — | — |
| 214-653 | DALLAS | 9533 | — | — |
| 214-654 | DALLAS | 9533 | — | — |
| 214-655 | DALLAS | 9533 | — | — |
| 214-658 | DALLAS | 9533 | — | — |
| 214-659 | DALLAS | 9533 | — | Yes |
| 214-660 | DALLAS | 9533 | — | Yes |
| 214-661 | DALLAS | 9533 | — | Yes |
| 214-664 | DALLAS | 9533 | 2001-06-14 | Yes |
| 214-665 | DALLAS | 9533 | — | — |
| 214-670 | DALLAS | 9533 | — | Yes |
| 214-671 | DALLAS | 9533 | — | — |
| 214-672 | DALLAS | 9533 | — | Yes |
| 214-678 | DALLAS | 9533 | — | — |
| 214-688 | DALLAS | 9533 | — | Yes |
| 214-689 | DALLAS | 9533 | — | Yes |
| 214-691 | DALLAS | 9533 | — | — |
| 214-692 | DALLAS | 9533 | — | Yes |
| 214-694 | DALLAS | 9533 | — | Yes |
| 214-696 | DALLAS | 9533 | — | — |
| 214-698 | DALLAS | 9533 | — | Yes |
| 214-705 | FRISCO | 9533 | 2004-03-15 | Yes |
| 214-706 | DALLAS | 9533 | — | — |
| 214-712 | DALLAS | 9533 | — | — |
| 214-720 | DALLAS | 9533 | — | — |
| 214-721 | DALLAS | 9533 | — | Yes |
| 214-726 | MCKINNEY | 9533 | — | Yes |
| 214-730 | DALLAS | 9533 | — | Yes |
| 214-733 | MCKINNEY | 9533 | 2001-02-22 | Yes |
| 214-739 | DALLAS | 9533 | — | — |
| 214-740 | DALLAS | 9533 | — | — |
| 214-741 | DALLAS | 9533 | — | — |
| 214-742 | DALLAS | 9533 | — | Yes |
| 214-743 | DALLAS | 9533 | — | Yes |
| 214-744 | DALLAS | 9533 | — | Yes |
| 214-745 | DALLAS | 9533 | — | Yes |
| 214-746 | DALLAS | 9533 | — | — |
| 214-747 | DALLAS | 9533 | — | — |
| 214-748 | DALLAS | 9533 | — | — |
| 214-749 | DALLAS | 9533 | — | Yes |
| 214-750 | DALLAS | 9533 | — | — |
| 214-751 | DALLAS | 9533 | — | Yes |
| 214-752 | DALLAS | 9533 | — | — |
| 214-753 | DALLAS | 9533 | — | Yes |
| 214-754 | DALLAS | 9533 | — | — |
| 214-756 | DALLAS | 9533 | — | Yes |
| 214-757 | DALLAS | 9533 | — | Yes |
| 214-758 | DALLAS | 9533 | — | Yes |
| 214-760 | DALLAS | 9533 | — | Yes |
| 214-761 | DALLAS | 9533 | — | — |
| 214-767 | DALLAS | 9533 | — | — |
| 214-771 | ROCKWALL | 9533 | — | Yes |
| 214-777 | DALLAS | 9533 | — | Yes |
| 214-779 | DALLAS | 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.