All assignees
769 prefixes in 206 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 206-400 | DES MOINES | 7274 | 2001-03-20 | — |
| 206-401 | RICHMNDBCH | 7229 | 2016-03-08 | Yes |
| 206-402 | SEATTLE | 663D | 2008-05-22 | Yes |
| 206-403 | SEATTLE | 7146 | — | Yes |
| 206-404 | SEATTLE | 9638 | — | — |
| 206-405 | SEATTLE | 9638 | — | Yes |
| 206-406 | SEATTLE | 5812 | — | — |
| 206-407 | SEATTLE | 7229 | — | Yes |
| 206-408 | VASHON | 7229 | — | Yes |
| 206-409 | SEATTLE | 6010 | — | — |
| 206-410 | SEATTLE | 9638 | — | Yes |
| 206-411 | XXXXXXXXXX | MULT | — | — |
| 206-412 | SEATTLE | 6529 | — | — |
| 206-413 | SEATTLE | 7229 | 2016-01-15 | Yes |
| 206-414 | SEATTLE | 483E | 2008-08-01 | Yes |
| 206-415 | SEATTLE | 483E | — | — |
| 206-416 | SEATTLE | 9638 | — | — |
| 206-417 | SEATTLE | 9638 | — | — |
| 206-418 | SEATTLE | 9638 | — | Yes |
| 206-419 | SEATTLE | 6010 | — | — |
| 206-420 | SEATTLE | 483E | 2006-03-09 | Yes |
| 206-421 | SEATTLE | 9638 | — | — |
| 206-422 | SEATTLE | 6010 | 2006-04-26 | Yes |
| 206-423 | SEATTLE | 6529 | — | Yes |
| 206-424 | SEATTLE | 483E | — | — |
| 206-425 | — | — | ||
| 206-426 | SEATTLE | 483E | — | — |
| 206-427 | SEATTLE | 6010 | — | — |
| 206-428 | SEATTLE | 7229 | — | Yes |
| 206-429 | DES MOINES | 7229 | — | Yes |
| 206-430 | SEATTLE | 508J | 2010-10-05 | Yes |
| 206-431 | SEATTLE | 9638 | — | — |
| 206-432 | SEATTLE | 7173 | 2008-10-01 | Yes |
| 206-433 | SEATTLE | 9638 | — | — |
| 206-434 | SEATTLE | 6010 | 2006-04-26 | Yes |
| 206-435 | SEATTLE | 7455 | 2013-11-01 | Yes |
| 206-436 | SEATTLE | 7173 | — | Yes |
| 206-437 | SEATTLE | 5812 | — | Yes |
| 206-438 | SEATTLE | 7229 | — | Yes |
| 206-439 | SEATTLE | 9638 | — | — |
| 206-440 | SEATTLE | 9638 | — | Yes |
| 206-441 | SEATTLE | 9638 | — | — |
| 206-442 | SEATTLE | 9638 | — | — |
| 206-443 | SEATTLE | 9638 | — | — |
| 206-444 | SEATTLE | 9638 | — | — |
| 206-445 | SEATTLE | 483E | — | Yes |
| 206-446 | SEATTLE | 6529 | 2007-04-26 | Yes |
| 206-447 | SEATTLE | 9638 | — | — |
| 206-448 | SEATTLE | 9638 | — | — |
| 206-449 | SEATTLE | 9638 | — | — |
| 206-450 | SEATTLE | 5812 | — | Yes |
| 206-451 | BAINBDG IS | 483E | 2006-09-21 | Yes |
| 206-452 | SEATTLE | 6121 | 2008-05-15 | Yes |
| 206-453 | SEATTLE | 6529 | 2007-08-15 | Yes |
| 206-454 | SEATTLE | 7173 | 2012-02-08 | Yes |
| 206-455 | SEATTLE | 6121 | 2007-08-15 | Yes |
| 206-456 | SEATTLE | 6121 | — | Yes |
| 206-457 | SEATTLE | 6010 | — | Yes |
| 206-458 | SEATTLE | 6529 | 2008-05-13 | Yes |
| 206-459 | SEATTLE | 5812 | — | — |
| 206-460 | DES MOINES | 483E | 2016-03-10 | Yes |
| 206-461 | SEATTLE | 9638 | — | — |
| 206-462 | SEATTLE | 5812 | — | Yes |
| 206-463 | VASHON | 2408 | — | — |
| 206-464 | SEATTLE | 9638 | — | — |
| 206-465 | SEATTLE | 6010 | — | — |
| 206-466 | SEATTLE | 6529 | — | Yes |
| 206-467 | SEATTLE | 9638 | — | — |
| 206-468 | SEATTLE | 6529 | 2014-09-08 | Yes |
| 206-469 | SEATTLE | 9638 | — | — |
| 206-470 | SEATTLE | 9638 | — | Yes |
| 206-471 | SEATTLE | 5812 | 2014-08-19 | Yes |
| 206-472 | SEATTLE | 483E | 2016-03-10 | Yes |
| 206-473 | SEATTLE | 7146 | 2006-10-10 | Yes |
| 206-474 | SEATTLE | 7173 | 2014-01-02 | Yes |
| 206-475 | SEATTLE | 6010 | 2015-09-24 | Yes |
| 206-476 | SEATTLE | 5562 | 2014-09-24 | Yes |
| 206-477 | SEATTLE | 9638 | 2012-03-19 | Yes |
| 206-478 | SEATTLE | 5562 | — | Yes |
| 206-479 | SEATTLE | 483E | — | — |
| 206-480 | SEATTLE | 6121 | 2017-06-09 | Yes |
| 206-481 | SEATTLE | 9638 | 2016-05-05 | Yes |
| 206-482 | SEATTLE | 6010 | 2016-01-21 | Yes |
| 206-483 | SEATTLE | 6529 | 2016-05-24 | Yes |
| 206-484 | SEATTLE | 6010 | — | — |
| 206-485 | SEATTLE | 006F | 2016-03-10 | Yes |
| 206-486 | SEATTLE | 159F | 2012-01-25 | Yes |
| 206-487 | SEATTLE | 5812 | 2016-06-27 | Yes |
| 206-488 | BAINBDG IS | 6529 | 2014-10-09 | Yes |
| 206-489 | SEATTLE | 6529 | 2012-12-20 | Yes |
| 206-490 | SEATTLE | 9638 | — | — |
| 206-491 | SEATTLE | 5812 | — | — |
| 206-492 | SEATTLE | 7229 | 2015-09-25 | Yes |
| 206-493 | SEATTLE | 671J | — | Yes |
| 206-494 | SEATTLE | 7229 | — | Yes |
| 206-495 | SEATTLE | 483E | — | Yes |
| 206-496 | SEATTLE | 5812 | — | Yes |
| 206-497 | RICHMNDBCH | 483E | 2006-11-17 | Yes |
| 206-498 | SEATTLE | 5812 | — | — |
| 206-499 | SEATTLE | 6010 | — | — |
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.