T-MOBILE USA, INC.
56 prefixes in 559 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 559-202 | PORTERVL | 6529 | — | Yes |
| 559-203 | CLOVIS | 6529 | 2010-12-13 | Yes |
| 559-207 | CLOVIS | 6529 | 2016-08-31 | Yes |
| 559-213 | FRESNO | 6529 | — | Yes |
| 559-214 | FRESNO | 6529 | 2016-07-01 | Yes |
| 559-217 | FRESNO | 6529 | — | Yes |
| 559-270 | FRESNO | 6529 | — | Yes |
| 559-273 | FRESNO | 6529 | — | Yes |
| 559-290 | FRESNO | 6529 | 2016-12-01 | Yes |
| 559-293 | FRESNO | 6529 | 2017-02-14 | Yes |
| 559-300 | VISALIA | 6529 | 2002-01-29 | Yes |
| 559-305 | REEDLEY | 6529 | 2002-01-29 | Yes |
| 559-306 | PORTERVL | 6529 | — | Yes |
| 559-307 | FRESNO | 6529 | — | Yes |
| 559-309 | HANFORD | 6529 | 2001-12-26 | Yes |
| 559-330 | MADERA | 6529 | 2015-07-02 | Yes |
| 559-333 | PORTERVL | 6529 | — | Yes |
| 559-344 | FOWLER | 6529 | — | Yes |
| 559-350 | PORTERVL | 6529 | 2002-02-21 | Yes |
| 559-351 | FRESNO | 6529 | — | Yes |
| 559-363 | MADERA | 6529 | 2002-02-21 | Yes |
| 559-371 | FRESNO | 6529 | 2016-08-30 | Yes |
| 559-373 | MADERA | 6529 | 2014-11-07 | Yes |
| 559-389 | FRESNO | 6529 | 2006-12-02 | Yes |
| 559-403 | CARUTHERS | 6529 | — | Yes |
| 559-469 | HANFORD | 6529 | — | Yes |
| 559-491 | HANFORD | 6529 | 2015-09-11 | Yes |
| 559-545 | CLOVIS | 6529 | 2015-02-03 | Yes |
| 559-548 | FRESNO | 6529 | 2015-05-14 | Yes |
| 559-563 | VISALIA | 6529 | 2015-03-09 | Yes |
| 559-571 | VISALIA | 6529 | 2015-06-22 | Yes |
| 559-601 | CARUTHERS | 6529 | 2016-04-01 | Yes |
| 559-612 | FRESNO | 6529 | 2015-07-29 | Yes |
| 559-653 | FOWLER | 6529 | 2015-07-16 | Yes |
| 559-668 | FRESNO | 6529 | 2015-01-12 | Yes |
| 559-680 | FRESNO | 6529 | 2021-11-15 | Yes |
| 559-701 | CLOVIS | 6529 | 2017-03-23 | Yes |
| 559-709 | FRESNO | 6529 | 2001-09-19 | — |
| 559-712 | CLOVIS | 6529 | 2015-05-20 | Yes |
| 559-722 | FRESNO | 6529 | 2015-03-11 | Yes |
| 559-727 | FRESNO | 6529 | 2015-03-04 | Yes |
| 559-728 | FRESNO | 6529 | — | Yes |
| 559-754 | VISALIA | 6529 | 2014-11-11 | Yes |
| 559-768 | REEDLEY | 6529 | 2021-12-14 | Yes |
| 559-776 | FRESNO | 6529 | 2005-02-18 | Yes |
| 559-800 | FRESNO | 6529 | — | Yes |
| 559-813 | FOWLER | 6529 | 2002-09-19 | Yes |
| 559-836 | HANFORD | 6529 | 2002-04-15 | Yes |
| 559-872 | CLOVIS | 6529 | 2023-08-23 | Yes |
| 559-882 | CLOVIS | 6529 | 2024-01-19 | Yes |
| 559-885 | CARUTHERS | 6529 | 2015-06-19 | Yes |
| 559-913 | VISALIA | 6529 | 2024-08-20 | Yes |
| 559-914 | CLOVIS | 6529 | 2024-08-20 | Yes |
| 559-940 | CLOVIS | 6529 | 2002-09-19 | Yes |
| 559-942 | CARUTHERS | 6529 | 2002-09-19 | Yes |
| 559-968 | CLOVIS | 6529 | 2025-08-22 | 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.