All assignees
769 prefixes in 206 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 206-500 | SEATTLE | 9638 | — | Yes |
| 206-501 | SEATTLE | 6529 | — | Yes |
| 206-502 | BAINBDG IS | 159F | 2016-11-16 | Yes |
| 206-503 | SEATTLE | 6529 | 2016-11-21 | Yes |
| 206-504 | SEATTLE | 9638 | — | Yes |
| 206-505 | SEATTLE | 7146 | 2001-04-23 | — |
| 206-506 | SEATTLE | 9638 | — | Yes |
| 206-507 | SEATTLE | 5812 | 2018-08-30 | Yes |
| 206-508 | SEATTLE | 6121 | — | — |
| 206-509 | SEATTLE | 9638 | — | — |
| 206-510 | SEATTLE | 5562 | — | Yes |
| 206-511 | XXXXXXXXXX | MULT | — | — |
| 206-512 | SEATTLE | 6121 | 2011-06-08 | Yes |
| 206-513 | SEATTLE | 996H | 2018-10-05 | Yes |
| 206-514 | SEATTLE | 5812 | 2019-10-24 | Yes |
| 206-515 | SEATTLE | 9638 | — | — |
| 206-516 | SEATTLE | 9638 | — | Yes |
| 206-517 | SEATTLE | 9638 | — | — |
| 206-518 | SEATTLE | 7173 | 2007-08-27 | Yes |
| 206-519 | SEATTLE | 6010 | 2014-07-03 | Yes |
| 206-520 | SEATTLE | 9638 | — | — |
| 206-521 | SEATTLE | 9638 | — | — |
| 206-522 | SEATTLE | 9638 | — | — |
| 206-523 | SEATTLE | 9638 | — | — |
| 206-524 | SEATTLE | 9638 | — | — |
| 206-525 | SEATTLE | 9638 | — | — |
| 206-526 | SEATTLE | 9638 | — | — |
| 206-527 | SEATTLE | 9638 | — | — |
| 206-528 | SEATTLE | 9638 | — | — |
| 206-529 | SEATTLE | 9638 | — | Yes |
| 206-530 | SEATTLE | 6529 | 2019-01-23 | Yes |
| 206-531 | SEATTLE | 6121 | 2018-04-23 | Yes |
| 206-532 | SEATTLE | 6529 | 2021-06-17 | Yes |
| 206-533 | RICHMNDBCH | 4324 | — | Yes |
| 206-534 | SEATTLE | 6630 | — | — |
| 206-535 | SEATTLE | 6529 | 2011-08-09 | Yes |
| 206-536 | SEATTLE | 483E | 2017-09-07 | Yes |
| 206-537 | BAINBDG IS | 6529 | 2019-08-20 | Yes |
| 206-538 | SEATTLE | 829J | 2011-10-04 | Yes |
| 206-539 | SEATTLE | 7229 | 2015-09-30 | Yes |
| 206-540 | SEATTLE | 6630 | — | — |
| 206-541 | SEATTLE | 6630 | — | — |
| 206-542 | RICHMNDBCH | 4324 | — | — |
| 206-543 | SEATTLE | 577F | — | — |
| 206-544 | SEATTLE | 9638 | — | Yes |
| 206-545 | SEATTLE | 9638 | — | — |
| 206-546 | RICHMNDBCH | 4324 | — | — |
| 206-547 | SEATTLE | 9638 | — | — |
| 206-548 | SEATTLE | 9638 | — | Yes |
| 206-549 | SEATTLE | 6529 | 2012-10-04 | Yes |
| 206-550 | SEATTLE | 5812 | — | — |
| 206-551 | SEATTLE | 6529 | — | Yes |
| 206-552 | SEATTLE | 006F | 2008-06-18 | Yes |
| 206-553 | SEATTLE | 9638 | — | Yes |
| 206-554 | SEATTLE | 9638 | — | Yes |
| 206-555 | DIR ASST | MULT | — | — |
| 206-556 | SEATTLE | 5812 | 2014-06-11 | Yes |
| 206-557 | SEATTLE | 6010 | 2012-10-09 | Yes |
| 206-558 | BAINBDG IS | 483E | 2020-05-29 | Yes |
| 206-559 | SEATTLE | 6630 | — | — |
| 206-560 | SEATTLE | 6630 | 2001-01-23 | — |
| 206-561 | SEATTLE | 5812 | 2020-03-26 | Yes |
| 206-562 | SEATTLE | 515J | 2019-04-03 | Yes |
| 206-563 | SEATTLE | 6630 | — | — |
| 206-564 | — | — | ||
| 206-565 | BAINBDG IS | 483E | 2016-05-04 | Yes |
| 206-566 | SEATTLE | 483E | — | Yes |
| 206-567 | VASHON | 2408 | — | Yes |
| 206-568 | SEATTLE | 9638 | — | — |
| 206-569 | RICHMNDBCH | 6121 | — | Yes |
| 206-570 | SEATTLE | 9748 | — | — |
| 206-571 | SEATTLE | 6529 | — | Yes |
| 206-572 | SEATTLE | 5812 | 2019-11-11 | Yes |
| 206-573 | SEATTLE | 5812 | 2016-08-18 | Yes |
| 206-574 | SEATTLE | 9638 | — | Yes |
| 206-575 | SEATTLE | 9638 | — | — |
| 206-576 | SEATTLE | 7455 | — | — |
| 206-577 | SEATTLE | 6121 | — | Yes |
| 206-578 | DES MOINES | 5562 | — | Yes |
| 206-579 | SEATTLE | 6529 | — | Yes |
| 206-580 | SEATTLE | 6121 | 2019-11-04 | Yes |
| 206-581 | SEATTLE | 453J | — | Yes |
| 206-582 | SEATTLE | 7173 | 2013-07-30 | Yes |
| 206-583 | SEATTLE | 9638 | — | — |
| 206-584 | SEATTLE | 6121 | 2019-02-12 | Yes |
| 206-585 | SEATTLE | 9638 | — | — |
| 206-586 | SEATTLE | 6529 | 2019-09-30 | Yes |
| 206-587 | SEATTLE | 9638 | — | — |
| 206-588 | SEATTLE | 318J | 2008-05-15 | Yes |
| 206-589 | RICHMNDBCH | 483E | 2020-05-29 | Yes |
| 206-590 | SEATTLE | 006F | 2020-08-20 | Yes |
| 206-591 | BAINBDG IS | 6529 | 2019-05-20 | Yes |
| 206-592 | DES MOINES | 9638 | — | Yes |
| 206-593 | SEATTLE | 5812 | 2020-04-07 | Yes |
| 206-594 | SEATTLE | 478J | 2020-04-22 | Yes |
| 206-595 | SEATTLE | 5812 | — | — |
| 206-596 | SEATTLE | 841C | 2012-02-08 | Yes |
| 206-597 | SEATTLE | 9638 | 2014-04-04 | Yes |
| 206-598 | SEATTLE | 9638 | — | — |
| 206-599 | SEATTLE | 9638 | — | 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.