T-MOBILE USA, INC.
64 prefixes in 937 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 937-219 | DAYTON | 6529 | — | Yes |
| 937-241 | DAYTON | 6529 | — | Yes |
| 937-251 | DAYTON | 6529 | — | Yes |
| 937-300 | EATON | 6529 | 2017-06-01 | Yes |
| 937-302 | WILMINGTON | 6529 | 2001-03-26 | Yes |
| 937-304 | DAYTON | 6529 | — | Yes |
| 937-305 | DAYTON | 6529 | — | Yes |
| 937-313 | DAYTON | 6529 | — | Yes |
| 937-321 | DAYTON | 6529 | — | Yes |
| 937-326 | MSBGWCRLTN | 6529 | 2024-02-20 | Yes |
| 937-360 | SPRINGFLD | 6529 | — | Yes |
| 937-361 | DAYTON | 6529 | — | Yes |
| 937-367 | DAYTON | 6529 | — | Yes |
| 937-369 | DAYTON | 6529 | — | Yes |
| 937-380 | DAYTON | 6529 | 2001-02-28 | Yes |
| 937-389 | DAYTON | 6529 | — | Yes |
| 937-414 | DAYTON | 6529 | 2001-10-04 | Yes |
| 937-422 | DAYTON | 6529 | — | Yes |
| 937-459 | GREENVILLE | 6529 | — | Yes |
| 937-467 | GREENVILLE | 6529 | — | Yes |
| 937-469 | DAYTON | 6529 | — | Yes |
| 937-483 | GEORGETOWN | 6529 | — | Yes |
| 937-503 | DAYTON | 6529 | 2011-10-07 | Yes |
| 937-508 | URBANA | 6529 | 2001-08-29 | Yes |
| 937-516 | DAYTON | 6529 | 2011-11-16 | Yes |
| 937-524 | TROY | 6529 | — | Yes |
| 937-527 | WILMINGTON | 6529 | — | Yes |
| 937-532 | XENIA | 6529 | — | Yes |
| 937-533 | EATON | 6529 | — | Yes |
| 937-536 | SPRINGFLD | 6529 | — | Yes |
| 937-541 | PIQUA | 6529 | — | Yes |
| 937-543 | NEWCARLISL | 6529 | — | Yes |
| 937-554 | DAYTON | 6529 | — | — |
| 937-603 | DAYTON | 6529 | — | Yes |
| 937-604 | DAYTON | 6529 | — | Yes |
| 937-605 | SPRINGFLD | 6529 | — | Yes |
| 937-606 | PIQUA | 6529 | — | Yes |
| 937-607 | DAYTON | 6529 | 2012-03-19 | Yes |
| 937-608 | DAYTON | 6529 | — | Yes |
| 937-626 | DAYTON | 6529 | — | Yes |
| 937-670 | GREENVILLE | 6529 | 2004-11-04 | Yes |
| 937-673 | DAYTON | 6529 | — | Yes |
| 937-674 | DAYTON | 6529 | — | Yes |
| 937-717 | SPRINGFLD | 6529 | 2006-10-13 | Yes |
| 937-733 | EATON | 6529 | 2005-06-29 | Yes |
| 937-790 | FRANKLIN | 6529 | 2001-02-06 | Yes |
| 937-794 | PIQUA | 6529 | 2021-03-19 | Yes |
| 937-815 | DAYTON | 6529 | 2014-03-03 | Yes |
| 937-818 | DAYTON | 6529 | 2013-03-11 | Yes |
| 937-820 | HILLSBORO | 6529 | 2022-01-19 | Yes |
| 937-829 | DAYTON | 6529 | — | — |
| 937-830 | DAYTON | 6529 | — | Yes |
| 937-831 | SPRINGFLD | 6529 | — | Yes |
| 937-838 | DAYTON | 6529 | — | Yes |
| 937-861 | EATON | 6529 | 2022-01-28 | Yes |
| 937-869 | URBANA | 6529 | — | Yes |
| 937-875 | TROY | 6529 | — | Yes |
| 937-876 | GREENFIELD | 6529 | 2001-08-23 | Yes |
| 937-931 | DAYTON | 6529 | 2014-08-22 | Yes |
| 937-946 | XENIA | 6529 | 2023-08-04 | Yes |
| 937-951 | DAYTON | 6529 | 2015-07-21 | Yes |
| 937-983 | TIPP CITY | 6529 | 2024-02-20 | Yes |
| 937-991 | DAYTON | 6529 | 2016-05-25 | Yes |
| 937-993 | DAYTON | 6529 | 2015-10-23 | 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.