All assignees
769 prefixes in 206 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 206-300 | SEATTLE | 5812 | — | — |
| 206-301 | SEATTLE | 9638 | — | — |
| 206-302 | SEATTLE | 9638 | — | Yes |
| 206-303 | SEATTLE | 9638 | — | Yes |
| 206-304 | DES MOINES | 6010 | 2001-02-20 | Yes |
| 206-305 | SEATTLE | 5812 | 2013-07-18 | Yes |
| 206-306 | SEATTLE | 9638 | — | Yes |
| 206-307 | SEATTLE | 483E | 2007-05-07 | Yes |
| 206-308 | SEATTLE | 453J | — | Yes |
| 206-309 | SEATTLE | 483E | — | — |
| 206-310 | SEATTLE | 6010 | — | — |
| 206-311 | XXXXXXXXXX | MULT | — | — |
| 206-312 | BAINBDG IS | 483E | — | — |
| 206-313 | SEATTLE | 6529 | — | — |
| 206-314 | SEATTLE | 6630 | — | — |
| 206-315 | SEATTLE | 7229 | — | Yes |
| 206-316 | SEATTLE | 073H | — | Yes |
| 206-317 | BAINBDG IS | 7173 | 2009-08-03 | Yes |
| 206-318 | SEATTLE | 9638 | — | — |
| 206-319 | BAINBDG IS | 7229 | — | Yes |
| 206-320 | SEATTLE | 9638 | — | — |
| 206-321 | SEATTLE | 6010 | — | — |
| 206-322 | SEATTLE | 9638 | — | — |
| 206-323 | SEATTLE | 9638 | — | — |
| 206-324 | SEATTLE | 9638 | — | — |
| 206-325 | SEATTLE | 9638 | — | — |
| 206-326 | SEATTLE | 9638 | — | Yes |
| 206-327 | SEATTLE | 5812 | — | Yes |
| 206-328 | SEATTLE | 9638 | — | — |
| 206-329 | SEATTLE | 9638 | — | — |
| 206-330 | SEATTLE | 6121 | — | Yes |
| 206-331 | SEATTLE | 6010 | — | Yes |
| 206-332 | SEATTLE | 9638 | — | — |
| 206-333 | SEATTLE | 483E | — | — |
| 206-334 | SEATTLE | 6529 | — | — |
| 206-335 | SEATTLE | 6529 | — | — |
| 206-336 | SEATTLE | 7229 | — | — |
| 206-337 | SEATTLE | 483E | — | — |
| 206-338 | SEATTLE | 483E | — | — |
| 206-339 | SEATTLE | 483E | — | — |
| 206-340 | SEATTLE | 9638 | — | — |
| 206-341 | SEATTLE | 9638 | — | Yes |
| 206-342 | SEATTLE | 9638 | — | — |
| 206-343 | SEATTLE | 9638 | — | — |
| 206-344 | SEATTLE | 9638 | — | — |
| 206-345 | SEATTLE | 9638 | — | — |
| 206-346 | SEATTLE | 9638 | — | — |
| 206-347 | BAINBDG IS | 6121 | — | Yes |
| 206-348 | SEATTLE | 5812 | 2013-10-22 | Yes |
| 206-349 | SEATTLE | 6529 | — | — |
| 206-350 | SEATTLE | 483E | — | — |
| 206-351 | SEATTLE | 6010 | — | — |
| 206-352 | SEATTLE | 9638 | — | — |
| 206-353 | SEATTLE | 6529 | — | — |
| 206-354 | SEATTLE | 6529 | — | — |
| 206-355 | SEATTLE | 6529 | — | — |
| 206-356 | SEATTLE | 6529 | — | — |
| 206-357 | SEATTLE | 7229 | — | Yes |
| 206-358 | SEATTLE | 9638 | — | — |
| 206-359 | SEATTLE | 9638 | — | Yes |
| 206-360 | SEATTLE | 483E | 2022-04-04 | Yes |
| 206-361 | SEATTLE | 9638 | — | — |
| 206-362 | SEATTLE | 9638 | — | — |
| 206-363 | SEATTLE | 9638 | — | — |
| 206-364 | SEATTLE | 9638 | — | — |
| 206-365 | SEATTLE | 9638 | — | — |
| 206-366 | SEATTLE | 9638 | — | Yes |
| 206-367 | SEATTLE | 9638 | — | — |
| 206-368 | SEATTLE | 9638 | — | — |
| 206-369 | SEATTLE | 6010 | — | — |
| 206-370 | SEATTLE | 9638 | — | Yes |
| 206-371 | SEATTLE | 6529 | — | Yes |
| 206-372 | SEATTLE | 6529 | — | — |
| 206-373 | SEATTLE | 9638 | — | Yes |
| 206-374 | SEATTLE | 9638 | — | — |
| 206-375 | SEATTLE | 5812 | — | Yes |
| 206-376 | SEATTLE | 6529 | — | Yes |
| 206-377 | SEATTLE | 9638 | — | Yes |
| 206-378 | SEATTLE | 9638 | — | — |
| 206-379 | SEATTLE | 5812 | 2014-09-18 | Yes |
| 206-380 | SEATTLE | 6529 | — | Yes |
| 206-381 | SEATTLE | 9638 | — | — |
| 206-382 | SEATTLE | 9638 | — | — |
| 206-383 | SEATTLE | 6529 | — | — |
| 206-384 | SEATTLE | 6121 | — | Yes |
| 206-385 | SEATTLE | 483E | 2019-04-25 | Yes |
| 206-386 | SEATTLE | 9638 | — | — |
| 206-387 | SEATTLE | 6529 | — | Yes |
| 206-388 | SEATTLE | 7173 | — | Yes |
| 206-389 | SEATTLE | 9638 | — | — |
| 206-390 | SEATTLE | 6010 | — | — |
| 206-391 | SEATTLE | 6529 | — | Yes |
| 206-392 | SEATTLE | 7173 | 2001-02-28 | — |
| 206-393 | SEATTLE | 7146 | 2002-06-17 | Yes |
| 206-394 | SEATTLE | 9638 | — | — |
| 206-395 | SEATTLE | 006F | 2009-10-01 | Yes |
| 206-396 | SEATTLE | 6529 | — | Yes |
| 206-397 | SEATTLE | 6529 | — | Yes |
| 206-398 | SEATTLE | 9638 | — | Yes |
| 206-399 | 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.