All assignees
525 prefixes in 253 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 253-535 | TACOMA | 9638 | — | — |
| 253-536 | TACOMA | 9638 | — | — |
| 253-537 | TACOMA | 9638 | — | — |
| 253-538 | TACOMA | 9638 | — | — |
| 253-539 | TACOMA | 9638 | — | — |
| 253-540 | TACOMA | 483E | — | — |
| 253-541 | TACOMA | 483E | — | — |
| 253-544 | PUYALLUP | 483E | 2021-03-31 | Yes |
| 253-545 | AUBURN | 9638 | 2012-06-07 | Yes |
| 253-548 | TACOMA | 9638 | — | Yes |
| 253-549 | GIG HARBOR | 2408 | — | Yes |
| 253-550 | TACOMA | 483E | — | — |
| 253-552 | TACOMA | 9638 | — | — |
| 253-553 | AUBURN | 483E | 2020-10-22 | Yes |
| 253-555 | DIR ASST | MULT | — | — |
| 253-559 | GRAHAM | 483E | — | — |
| 253-561 | AUBURN | 7229 | — | Yes |
| 253-563 | DES MOINES | 483E | — | — |
| 253-564 | TACOMA | 9638 | — | — |
| 253-565 | TACOMA | 9638 | — | — |
| 253-566 | TACOMA | 9638 | — | — |
| 253-568 | TACOMAWVLY | 9638 | — | — |
| 253-569 | AUBURN | 5812 | — | — |
| 253-571 | TACOMA | 9638 | — | Yes |
| 253-572 | TACOMA | 9638 | — | — |
| 253-573 | TACOMA | 9638 | — | — |
| 253-576 | TACOMA | 6529 | — | Yes |
| 253-579 | TACOMA | 7173 | — | Yes |
| 253-581 | TACOMA | 9638 | — | — |
| 253-582 | TACOMA | 9638 | — | — |
| 253-583 | TACOMA | 9638 | — | Yes |
| 253-584 | TACOMA | 9638 | — | — |
| 253-587 | TACOMA | 048L | 2026-03-17 | Yes |
| 253-588 | TACOMA | 9638 | — | — |
| 253-589 | TACOMA | 9638 | — | — |
| 253-590 | TACOMA | 6121 | — | Yes |
| 253-591 | TACOMA | 9638 | — | — |
| 253-592 | TACOMA | 7173 | — | Yes |
| 253-593 | TACOMA | 9638 | — | — |
| 253-594 | TACOMA | 9638 | — | — |
| 253-595 | TACOMA | 483E | — | — |
| 253-596 | TACOMA | 9638 | — | — |
| 253-597 | TACOMA | 9638 | — | — |
| 253-600 | AUBURN | 965H | 2021-04-29 | Yes |
| 253-604 | PUYALLUP | 7173 | 2001-11-20 | Yes |
| 253-606 | TACOMA | 5562 | — | Yes |
| 253-611 | XXXXXXXXXX | MULT | — | — |
| 253-617 | TACOMA | 6121 | — | Yes |
| 253-620 | TACOMA | 7146 | 2001-04-23 | Yes |
| 253-625 | TACOMA | 7173 | 2012-10-03 | Yes |
| 253-627 | TACOMA | 9638 | — | — |
| 253-630 | KENT | 9638 | — | — |
| 253-631 | KENT | 9638 | — | — |
| 253-632 | AUBURN | 6529 | 2001-11-15 | — |
| 253-638 | KENT | 9638 | — | Yes |
| 253-639 | KENT | 9638 | — | — |
| 253-640 | TACOMAWVLY | 6529 | — | Yes |
| 253-642 | DES MOINES | 6121 | — | Yes |
| 253-645 | ROY | 483E | — | — |
| 253-648 | SUMNER | 483E | — | — |
| 253-649 | GIG HARBOR | 318J | — | Yes |
| 253-650 | TACOMA | 483E | — | — |
| 253-651 | TACOMA | 5812 | — | — |
| 253-652 | DES MOINES | 7455 | — | Yes |
| 253-653 | AUBURN | 6529 | — | Yes |
| 253-655 | GRAHAM | 6121 | 2002-02-21 | Yes |
| 253-656 | KENT | 6121 | 2002-02-21 | Yes |
| 253-657 | KENT | 9638 | — | Yes |
| 253-660 | TACOMA | 483E | — | — |
| 253-661 | DES MOINES | 9638 | — | — |
| 253-663 | TACOMA | 483E | — | — |
| 253-666 | TACOMA | 6121 | — | Yes |
| 253-669 | TACOMA | 483E | — | — |
| 253-670 | AUBURN | 6010 | — | — |
| 253-671 | TACOMA | 9638 | — | — |
| 253-676 | TACOMAWVLY | 516J | 2021-08-25 | Yes |
| 253-677 | TACOMA | 5812 | — | — |
| 253-678 | TACOMA | 6010 | — | — |
| 253-679 | TACOMA | 483E | — | — |
| 253-680 | TACOMA | 9638 | — | Yes |
| 253-681 | DES MOINES | 7173 | — | Yes |
| 253-682 | TACOMA | 7173 | — | Yes |
| 253-683 | TACOMA | 7720 | — | Yes |
| 253-686 | TACOMA | 5812 | — | — |
| 253-687 | TACOMA | 6630 | — | — |
| 253-691 | TACOMA | 5812 | — | — |
| 253-692 | TACOMA | 9638 | — | — |
| 253-693 | PUYALLUP | 7720 | — | Yes |
| 253-697 | PUYALLUP | 9638 | — | Yes |
| 253-700 | — | — | ||
| 253-709 | AUBURN | 6010 | — | — |
| 253-711 | XXXXXXXXXX | MULT | — | — |
| 253-719 | TACOMAWVLY | 7146 | — | Yes |
| 253-720 | TACOMA | 5812 | — | — |
| 253-722 | TACOMA | 7173 | — | Yes |
| 253-732 | TACOMA | 5812 | — | — |
| 253-733 | DES MOINES | 7274 | — | Yes |
| 253-735 | AUBURN | 9638 | — | — |
| 253-736 | AUBURN | 7173 | — | Yes |
| 253-737 | AUBURN | 7455 | — | 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.