All assignees
778 prefixes in 509 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 509-601 | SPOKANE | 506J | 2020-10-23 | Yes |
| 509-602 | CONNELL | 3229 | 2020-11-03 | Yes |
| 509-603 | SPOKANE | 508J | 2021-10-01 | Yes |
| 509-604 | RICHLAND | 5812 | 2024-03-05 | Yes |
| 509-605 | WILBUR | 3229 | 2020-11-03 | Yes |
| 509-606 | SPOKANE | 321J | 2020-10-05 | Yes |
| 509-607 | ELLENSBURG | 5812 | — | Yes |
| 509-608 | SPOKANE | 6529 | 2016-04-29 | Yes |
| 509-609 | SPOKANE | 622J | 2021-01-28 | Yes |
| 509-610 | COLFAX | 6529 | 2021-03-02 | Yes |
| 509-611 | XXXXXXXXXX | MULT | — | — |
| 509-612 | KETTLE FLS | 483E | 2019-01-09 | Yes |
| 509-613 | SPOKANE | 6010 | 2024-03-18 | Yes |
| 509-614 | KENNEWICK | 5812 | 2024-04-15 | Yes |
| 509-615 | ELK-GRNBLF | 700J | — | Yes |
| 509-616 | SPOKANE | 515J | 2021-03-02 | Yes |
| 509-617 | ELLENSBURG | 6529 | 2024-06-08 | Yes |
| 509-618 | CHENEY | 707G | 2024-08-20 | Yes |
| 509-619 | KENNEWICK | 792K | 2007-03-05 | Yes |
| 509-620 | COULEE DAM | 483E | 2001-10-29 | Yes |
| 509-621 | NEWMANLAKE | 318J | 2005-08-29 | Yes |
| 509-622 | SPOKANE | 9638 | — | — |
| 509-623 | SPOKANE | 9638 | — | — |
| 509-624 | SPOKANE | 9638 | — | — |
| 509-625 | SPOKANE | 9638 | — | — |
| 509-626 | SPOKANE | 9638 | — | — |
| 509-627 | KENNEWICK | 427K | — | Yes |
| 509-628 | KENNEWICK | 4324 | — | Yes |
| 509-629 | WALLAWALLA | 1484 | — | Yes |
| 509-630 | WENATCHEE | 5812 | — | Yes |
| 509-631 | COULEE DAM | 6010 | — | Yes |
| 509-632 | COULEECITY | 2408 | — | Yes |
| 509-633 | COULEE DAM | 9638 | — | Yes |
| 509-634 | NESPELEM | 2408 | — | Yes |
| 509-635 | GARFIELD | 4324 | — | Yes |
| 509-636 | CRESTON | 2408 | — | Yes |
| 509-637 | WH SALMON | 6010 | 2002-05-31 | Yes |
| 509-638 | SPOKANE | 7229 | 2014-07-13 | Yes |
| 509-639 | ALMIRA | 2408 | — | Yes |
| 509-640 | COLVILLE | 483E | — | Yes |
| 509-641 | WILBUR | 6010 | — | Yes |
| 509-642 | HARRAH | 483E | — | Yes |
| 509-643 | SUNNYSIDE | 6121 | 2002-09-19 | Yes |
| 509-644 | LOON LAKE | 792K | 2017-08-24 | Yes |
| 509-645 | BREWSTER | 483E | — | Yes |
| 509-646 | WASHTUCNA | 2408 | — | Yes |
| 509-647 | WILBUR | 2408 | — | Yes |
| 509-648 | ST JOHN | 2442 | — | Yes |
| 509-649 | ROSLYN | 2423 | — | — |
| 509-650 | RITZVILLE | 1477 | — | Yes |
| 509-651 | DEER PARK | 483E | — | Yes |
| 509-652 | SPRINGDALE | 483E | 2022-07-01 | Yes |
| 509-653 | NACHES | 4423 | — | Yes |
| 509-654 | YAKIMA | 7173 | — | Yes |
| 509-655 | SPOKANE | 5812 | 2014-09-18 | Yes |
| 509-656 | CLE ELUM | 9638 | — | Yes |
| 509-657 | ENDICOTT | 2437 | — | Yes |
| 509-658 | NILE | 4423 | — | Yes |
| 509-659 | RITZVILLE | 2408 | — | Yes |
| 509-660 | RITZVILLE | 6010 | — | Yes |
| 509-661 | WENATCHEE | 483E | — | — |
| 509-662 | WENATCHEE | 4324 | — | — |
| 509-663 | WENATCHEE | 4324 | — | — |
| 509-664 | WENATCHEE | 4324 | — | — |
| 509-665 | WENATCHEE | 4324 | — | — |
| 509-666 | SPOKANE | 939H | 2019-03-12 | Yes |
| 509-667 | WENATCHEE | 4324 | — | — |
| 509-668 | WENATCHEE | 6010 | — | Yes |
| 509-669 | WENATCHEE | 6010 | — | — |
| 509-670 | WENATCHEE | 5812 | — | — |
| 509-671 | NEWPORT | 5812 | — | Yes |
| 509-672 | RIMROCK | 2410 | — | Yes |
| 509-673 | TIETON | 2410 | — | Yes |
| 509-674 | CLE ELUM | 9638 | — | Yes |
| 509-675 | COLVILLE | 6010 | — | Yes |
| 509-676 | WALLAWALLA | 4718 | 2005-02-22 | Yes |
| 509-677 | LIND | 2408 | — | Yes |
| 509-678 | COWICHE | 2410 | — | Yes |
| 509-679 | WENATCHEE | 5812 | — | — |
| 509-680 | COLVILLE | 5812 | — | Yes |
| 509-681 | COULEECITY | 6010 | — | Yes |
| 509-682 | WENATCHEE | 4324 | — | — |
| 509-683 | DOUGLASCO | 4324 | — | Yes |
| 509-684 | COLVILLE | 9638 | — | — |
| 509-685 | COLVILLE | 9638 | — | Yes |
| 509-686 | BRIDGEPORT | 4324 | — | Yes |
| 509-687 | WENATCHEE | 4324 | — | Yes |
| 509-688 | SPOKANE | 7229 | — | Yes |
| 509-689 | BREWSTER | 4324 | — | Yes |
| 509-690 | COLVILLE | 5812 | — | Yes |
| 509-691 | SPOKANE | 483E | — | — |
| 509-692 | SPOKANE | 483E | — | — |
| 509-693 | SPOKANE | 483E | — | — |
| 509-694 | SPOKANE | 483E | — | — |
| 509-695 | SPOKANE | 483E | — | — |
| 509-696 | SPOKANE | 483E | — | — |
| 509-697 | SELAH | 2412 | — | — |
| 509-698 | SELAH | 2412 | — | Yes |
| 509-699 | WENATCHEE | 580D | 2002-12-04 | Yes |
| 509-700 | — | — |
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.