T-MOBILE USA, INC.
65 prefixes in 510 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 510-203 | FRNK MAIN | 6529 | 2015-09-22 | Yes |
| 510-213 | OKLD FRTVL | 6529 | 2002-09-19 | Yes |
| 510-216 | OKLD FRTVL | 6529 | 2019-09-27 | Yes |
| 510-224 | HRCUL-RODE | 6529 | 2001-10-18 | Yes |
| 510-230 | RICHMOND | 6529 | 2007-02-15 | Yes |
| 510-241 | ELSBR-PINL | 6529 | 2015-09-22 | Yes |
| 510-282 | OKLD MN-PD | 6529 | 2001-12-26 | — |
| 510-290 | OKLD MN-PD | 6529 | — | Yes |
| 510-309 | ELSBR-PINL | 6529 | 2014-10-24 | Yes |
| 510-314 | HAYWARD | 6529 | 2007-07-02 | Yes |
| 510-328 | OKLD FRTVL | 6529 | 2013-01-31 | Yes |
| 510-345 | OKLD BKLY | 6529 | 2016-01-15 | Yes |
| 510-362 | HAYWARD | 6529 | 2013-05-16 | Yes |
| 510-365 | OKLD BKLY | 6529 | 2013-09-26 | Yes |
| 510-375 | RICHMOND | 6529 | 2001-12-26 | Yes |
| 510-377 | FRNK MAIN | 6529 | — | Yes |
| 510-385 | OKLD MN-PD | 6529 | — | Yes |
| 510-393 | OKLD MN-PD | 6529 | — | Yes |
| 510-396 | FRNK MAIN | 6529 | 2001-12-26 | — |
| 510-415 | HAYWARD | 6529 | 2001-09-19 | — |
| 510-417 | ELSBR-PINL | 6529 | 2002-09-19 | Yes |
| 510-422 | OKLD FRTVL | 6529 | 2015-09-25 | Yes |
| 510-424 | OKLD FRTVL | 6529 | 2016-07-29 | Yes |
| 510-435 | OKLD MN-PD | 6529 | — | Yes |
| 510-455 | CROCKETT | 6529 | 2001-04-20 | Yes |
| 510-459 | OKLD MN-PD | 6529 | — | Yes |
| 510-480 | ELSBR-PINL | 6529 | 2013-09-26 | Yes |
| 510-512 | HAYWARD | 6529 | — | Yes |
| 510-513 | FRNK MAIN | 6529 | 2016-08-30 | Yes |
| 510-557 | FRNK MAIN | 6529 | 2001-05-17 | Yes |
| 510-565 | FRNK MAIN | 6529 | — | Yes |
| 510-570 | OKLD BKLY | 6529 | 2016-09-26 | Yes |
| 510-598 | FRNK MAIN | 6529 | 2013-01-18 | Yes |
| 510-609 | RICHMOND | 6529 | 2018-04-11 | Yes |
| 510-630 | ELSBR-PINL | 6529 | 2019-10-16 | Yes |
| 510-640 | ELSBR-PINL | 6529 | 2015-05-01 | Yes |
| 510-688 | HAYWARD | 6529 | — | Yes |
| 510-691 | HRCUL-RODE | 6529 | 2001-09-19 | Yes |
| 510-696 | OKLD FRTVL | 6529 | 2015-06-22 | Yes |
| 510-707 | OKLD TRNID | 6529 | 2016-04-01 | Yes |
| 510-714 | FRNK MAIN | 6529 | — | Yes |
| 510-717 | OKLD BKLY | 6529 | 2002-09-19 | Yes |
| 510-736 | HAYWARD | 6529 | 2013-12-09 | Yes |
| 510-753 | OKLD TRNID | 6529 | 2014-11-25 | Yes |
| 510-756 | OKLD TRNID | 6529 | 2015-09-09 | Yes |
| 510-767 | FRNK MAIN | 6529 | 2019-11-08 | Yes |
| 510-773 | OKLD MN-PD | 6529 | — | Yes |
| 510-774 | OKLD MN-PD | 6529 | — | Yes |
| 510-804 | ELSBR-PINL | 6529 | — | Yes |
| 510-807 | HAYWARD | 6529 | 2019-05-28 | Yes |
| 510-810 | OKLD ALMD | 6529 | 2024-05-31 | Yes |
| 510-815 | ELSBR-PINL | 6529 | — | Yes |
| 510-820 | OKLD TRNID | 6529 | 2015-07-10 | Yes |
| 510-822 | OKLD TRNID | 6529 | 2016-10-21 | Yes |
| 510-823 | OKLD MN-PD | 6529 | — | Yes |
| 510-850 | OKLD TRNID | 6529 | 2015-04-13 | Yes |
| 510-867 | OKLD MN-PD | 6529 | — | Yes |
| 510-890 | RICHMOND | 6529 | 2016-06-14 | Yes |
| 510-916 | OKLD TRNID | 6529 | 2021-03-04 | Yes |
| 510-932 | RICHMOND | 6529 | 2001-03-22 | Yes |
| 510-934 | OKLD FRTVL | 6529 | 2015-03-11 | Yes |
| 510-944 | OKLD BKLY | 6529 | 2014-10-03 | Yes |
| 510-973 | OKLD BKLY | 6529 | 2021-02-25 | Yes |
| 510-988 | OKLD FRTVL | 6529 | 2019-03-21 | Yes |
| 510-993 | OKLD BKLY | 6529 | 2016-06-10 | 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.