T-MOBILE USA, INC.
63 prefixes in 385 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 385-206 | OGDEN | 6529 | 2012-03-28 | Yes |
| 385-207 | PROVO | 6529 | 2013-01-15 | Yes |
| 385-208 | PROVO | 6529 | 2010-04-22 | Yes |
| 385-209 | KAYSVILLE | 6529 | 2012-05-15 | Yes |
| 385-210 | SALT LAKE | 6529 | 2013-01-28 | Yes |
| 385-216 | SALT LAKE | 6529 | 2013-10-16 | Yes |
| 385-231 | KAYSVILLE | 6529 | 2014-07-18 | Yes |
| 385-236 | PROVO | 6529 | 2014-03-07 | Yes |
| 385-238 | OGDEN | 6529 | 2014-08-19 | Yes |
| 385-242 | SALT LAKE | 6529 | 2011-09-19 | Yes |
| 385-251 | KAYSVILLE | 6529 | 2016-04-01 | Yes |
| 385-266 | SALT LAKE | 6529 | 2016-11-30 | Yes |
| 385-286 | PROVO | 6529 | 2018-12-04 | Yes |
| 385-294 | OGDEN | 6529 | 2019-01-08 | Yes |
| 385-306 | KAYSVILLE | 6529 | 2019-10-16 | Yes |
| 385-307 | PROVO | 6529 | 2020-07-28 | Yes |
| 385-310 | KAYSVILLE | 6529 | 2019-12-19 | Yes |
| 385-326 | OGDEN | 6529 | 2019-06-25 | Yes |
| 385-341 | SALT LAKE | 6529 | 2020-03-24 | Yes |
| 385-349 | PROVO | 6529 | 2019-08-06 | Yes |
| 385-358 | KAYSVILLE | 6529 | 2020-09-01 | Yes |
| 385-363 | KAYSVILLE | 6529 | 2020-10-12 | Yes |
| 385-370 | OGDEN | 6529 | 2021-04-13 | Yes |
| 385-384 | PROVO | 6529 | 2021-04-13 | Yes |
| 385-394 | KAYSVILLE | 6529 | 2017-03-22 | Yes |
| 385-416 | KAYSVILLE | 6529 | 2021-05-19 | Yes |
| 385-424 | KAYSVILLE | 6529 | 2014-10-22 | Yes |
| 385-427 | KAYSVILLE | 6529 | 2021-01-08 | Yes |
| 385-439 | KAYSVILLE | 6529 | 2011-07-27 | Yes |
| 385-443 | SALT LAKE | 6529 | 2021-10-26 | Yes |
| 385-451 | KAYSVILLE | 6529 | 2021-10-26 | Yes |
| 385-456 | KAYSVILLE | 6529 | 2022-01-27 | Yes |
| 385-457 | SALT LAKE | 6529 | 2022-01-27 | Yes |
| 385-471 | KAYSVILLE | 6529 | 2022-07-28 | Yes |
| 385-490 | SALT LAKE | 6529 | 2022-09-20 | Yes |
| 385-508 | SALT LAKE | 6529 | 2022-12-07 | Yes |
| 385-512 | KAYSVILLE | 6529 | 2023-01-05 | Yes |
| 385-514 | OGDEN | 6529 | 2023-01-26 | Yes |
| 385-515 | KAYSVILLE | 6529 | 2016-11-01 | Yes |
| 385-528 | SALT LAKE | 6529 | 2014-03-31 | Yes |
| 385-539 | PROVO | 6529 | 2014-08-29 | Yes |
| 385-552 | KAYSVILLE | 6529 | 2019-04-11 | Yes |
| 385-560 | MURRAY | 6529 | 2023-11-30 | Yes |
| 385-580 | MURRAY | 6529 | 2024-05-01 | Yes |
| 385-581 | SALT LAKE | 6529 | 2024-06-12 | Yes |
| 385-588 | MURRAY | 6529 | 2024-07-30 | Yes |
| 385-589 | MURRAY | 6529 | 2024-08-30 | Yes |
| 385-590 | MURRAY | 6529 | 2024-10-09 | Yes |
| 385-598 | MURRAY | 6529 | 2025-02-19 | Yes |
| 385-601 | MURRAY | 6529 | 2025-03-21 | Yes |
| 385-608 | MURRAY | 6529 | 2025-06-18 | Yes |
| 385-612 | MURRAY | 6529 | 2025-08-19 | Yes |
| 385-615 | MURRAY | 6529 | 2025-10-07 | Yes |
| 385-618 | PROVO | 6529 | 2025-11-26 | Yes |
| 385-620 | MURRAY | 6529 | 2025-12-10 | Yes |
| 385-621 | MURRAY | 6529 | 2026-01-06 | Yes |
| 385-625 | PROVO | 6529 | 2015-01-21 | Yes |
| 385-626 | OGDEN | 6529 | 2013-09-26 | Yes |
| 385-628 | SALT LAKE | 6529 | 2010-11-11 | Yes |
| 385-630 | SALT LAKE | 6529 | 2015-12-11 | Yes |
| 385-831 | SALT LAKE | 6529 | 2014-08-29 | Yes |
| 385-955 | SALT LAKE | 6529 | 2018-05-08 | Yes |
| 385-977 | SALT LAKE | 6529 | 2020-09-15 | 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.