T-MOBILE USA, INC.
66 prefixes in 360 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 360-206 | CENTRALIA | 6529 | 2020-03-26 | Yes |
| 360-223 | WHATCOMCTY | 6529 | — | — |
| 360-224 | WHATCOMCTY | 6529 | 2001-04-16 | — |
| 360-228 | BREMERTON | 6529 | 2018-10-05 | Yes |
| 360-239 | OLYMPIA | 6529 | — | Yes |
| 360-241 | VANCOUVER | 6529 | — | Yes |
| 360-250 | OLYMPIA | 6529 | — | Yes |
| 360-261 | LONGVIEW | 6529 | — | Yes |
| 360-281 | VANCOUVER | 6529 | — | Yes |
| 360-286 | SILVERDALE | 6529 | 2001-01-25 | Yes |
| 360-304 | CHEHALIS | 6529 | — | Yes |
| 360-310 | ABERDEEN | 6529 | — | Yes |
| 360-324 | CHEHALIS | 6529 | — | Yes |
| 360-326 | VANCOUVER | 6529 | — | Yes |
| 360-340 | SILVERDALE | 6529 | — | Yes |
| 360-349 | OLYMPIA | 6529 | — | Yes |
| 360-381 | PTTOWNSEND | 6529 | — | Yes |
| 360-402 | OLYMPIA | 6529 | — | Yes |
| 360-410 | WHATCOMCTY | 6529 | — | Yes |
| 360-421 | MT VERNON | 6529 | 2001-04-16 | — |
| 360-440 | BREMERTON | 6529 | 2001-04-16 | — |
| 360-441 | WHATCOMCTY | 6529 | — | Yes |
| 360-451 | OLYMPIA | 6529 | — | Yes |
| 360-513 | VANCOUVER | 6529 | — | — |
| 360-518 | VANCOUVER | 6529 | — | Yes |
| 360-521 | VANCOUVER | 6529 | — | Yes |
| 360-525 | BREMERTON | 6529 | — | Yes |
| 360-540 | MT VERNON | 6529 | — | — |
| 360-551 | SILVERDALE | 6529 | — | Yes |
| 360-556 | OLYMPIA | 6529 | 2001-04-16 | — |
| 360-610 | MT VERNON | 6529 | — | Yes |
| 360-622 | SAN JUAN | 6529 | 2004-05-19 | Yes |
| 360-634 | OLYMPIA | 6529 | 2020-08-27 | Yes |
| 360-643 | PTTOWNSEND | 6529 | — | Yes |
| 360-644 | LONGVIEW | 6529 | 2017-02-21 | Yes |
| 360-649 | SILVERDALE | 6529 | — | Yes |
| 360-670 | PT ANGELES | 6529 | — | Yes |
| 360-672 | OAK HARBOR | 6529 | 2001-04-16 | Yes |
| 360-689 | SILVERDALE | 6529 | 2001-10-22 | Yes |
| 360-720 | OAK HARBOR | 6529 | — | Yes |
| 360-721 | VANCOUVER | 6529 | — | Yes |
| 360-726 | VANCOUVER | 6529 | 2015-09-25 | Yes |
| 360-728 | BREMERTON | 6529 | 2016-09-21 | Yes |
| 360-763 | OLYMPIA | 6529 | 2016-01-22 | Yes |
| 360-771 | VANCOUVER | 6529 | — | Yes |
| 360-809 | PT ANGELES | 6529 | — | Yes |
| 360-815 | WHATCOMCTY | 6529 | — | Yes |
| 360-820 | WHATCOMCTY | 6529 | — | Yes |
| 360-821 | PTTOWNSEND | 6529 | — | Yes |
| 360-840 | MT VERNON | 6529 | — | Yes |
| 360-842 | BREMERTON | 6529 | 2015-09-30 | Yes |
| 360-888 | OLYMPIA | 6529 | 2001-04-16 | — |
| 360-890 | OLYMPIA | 6529 | 2014-01-27 | Yes |
| 360-909 | VANCOUVER | 6529 | — | — |
| 360-910 | VANCOUVER | 6529 | — | — |
| 360-912 | PT ANGELES | 6529 | 2002-07-18 | Yes |
| 360-914 | OAK HARBOR | 6529 | 2002-07-18 | Yes |
| 360-919 | BREMERTON | 6529 | 2020-01-09 | Yes |
| 360-920 | WHATCOMCTY | 6529 | — | Yes |
| 360-932 | BREMERTON | 6529 | 2014-03-06 | Yes |
| 360-936 | VANCOUVER | 6529 | — | Yes |
| 360-970 | OLYMPIA | 6529 | — | Yes |
| 360-982 | MT VERNON | 6529 | — | Yes |
| 360-990 | BREMERTON | 6529 | — | — |
| 360-991 | VANCOUVER | 6529 | — | Yes |
| 360-995 | OLYMPIA | 6529 | 2019-10-01 | 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.