T-MOBILE USA, INC.
62 prefixes in 440 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 440-212 | STRONGSVL | 6529 | 2002-04-22 | Yes |
| 440-222 | LORAIN | 6529 | 2011-07-28 | Yes |
| 440-228 | ASHTABULA | 6529 | — | Yes |
| 440-231 | PAINESVL | 6529 | 2002-03-20 | Yes |
| 440-258 | LORAIN | 6529 | — | Yes |
| 440-263 | BEREA | 6529 | — | Yes |
| 440-265 | CONNEAUT | 6529 | — | Yes |
| 440-278 | WICKLIFFE | 6529 | 2002-07-11 | Yes |
| 440-313 | E CLARIDON | 6529 | 2002-03-20 | Yes |
| 440-317 | BEDFORD | 6529 | 2002-03-20 | Yes |
| 440-318 | CHAGRINFLS | 6529 | 2002-07-11 | Yes |
| 440-319 | ASHTABULA | 6529 | 2002-03-20 | Yes |
| 440-320 | LORAIN | 6529 | 2002-04-08 | Yes |
| 440-336 | WILLOUGHBY | 6529 | — | Yes |
| 440-339 | PAINESVL | 6529 | — | Yes |
| 440-343 | WILLOUGHBY | 6529 | — | Yes |
| 440-351 | BEREA | 6529 | 2014-02-03 | Yes |
| 440-360 | TRINITY | 6529 | 2002-04-22 | Yes |
| 440-381 | ASHTABULA | 6529 | 2009-10-07 | Yes |
| 440-390 | NOROYALTON | 6529 | 2002-07-11 | Yes |
| 440-404 | ASHTABULA | 6529 | 2024-08-27 | Yes |
| 440-412 | ELYRIA | 6529 | 2015-06-11 | Yes |
| 440-452 | ELYRIA | 6529 | — | Yes |
| 440-453 | ELYRIA | 6529 | — | Yes |
| 440-454 | OLMSTEDFLS | 6529 | 2002-07-11 | Yes |
| 440-469 | BEREA | 6529 | 2013-10-07 | Yes |
| 440-470 | ASHTABULA | 6529 | 2023-08-04 | Yes |
| 440-472 | BEREA | 6529 | 2015-04-03 | Yes |
| 440-485 | CHAGRINFLS | 6529 | 2014-08-22 | Yes |
| 440-503 | BEREA | 6529 | — | Yes |
| 440-506 | ELYRIA | 6529 | 2002-03-20 | Yes |
| 440-518 | AVON LAKE | 6529 | 2023-08-30 | Yes |
| 440-532 | BEREA | 6529 | 2002-07-11 | Yes |
| 440-533 | GATESMILLS | 6529 | 2002-07-11 | Yes |
| 440-574 | OBERLIN | 6529 | — | Yes |
| 440-622 | PAINESVL | 6529 | 2001-02-06 | Yes |
| 440-623 | BEREA | 6529 | 2001-02-06 | Yes |
| 440-650 | ASHTABULA | 6529 | 2014-10-13 | Yes |
| 440-653 | AVON LAKE | 6529 | — | Yes |
| 440-654 | LORAIN | 6529 | 2007-11-07 | Yes |
| 440-657 | ELYRIA | 6529 | 2014-09-12 | Yes |
| 440-661 | ASHTABULA | 6529 | 2015-10-07 | Yes |
| 440-674 | ELYRIA | 6529 | 2020-09-10 | Yes |
| 440-681 | HILLCREST | 6529 | 2002-04-22 | Yes |
| 440-687 | ELYRIA | 6529 | 2021-01-19 | Yes |
| 440-694 | ASHTABULA | 6529 | 2021-04-13 | Yes |
| 440-723 | ELYRIA | 6529 | 2009-09-22 | Yes |
| 440-732 | STRONGSVL | 6529 | 2014-02-04 | Yes |
| 440-739 | NEWBURY | 6529 | 2002-04-08 | Yes |
| 440-742 | WILLOUGHBY | 6529 | — | Yes |
| 440-749 | WILLOUGHBY | 6529 | 2002-04-22 | Yes |
| 440-787 | LORAIN | 6529 | 2007-03-15 | Yes |
| 440-796 | PAINESVL | 6529 | — | Yes |
| 440-830 | LORAIN | 6529 | 2013-06-14 | Yes |
| 440-832 | BRECKSVL | 6529 | 2002-04-22 | Yes |
| 440-841 | ASHTABULA | 6529 | 2022-02-14 | Yes |
| 440-850 | ASHTABULA | 6529 | 2015-08-25 | Yes |
| 440-898 | PAINESVL | 6529 | 2017-04-10 | Yes |
| 440-904 | E CLARIDON | 6529 | 2016-05-25 | Yes |
| 440-915 | BEREA | 6529 | — | Yes |
| 440-982 | ASHTABULA | 6529 | 2025-08-12 | Yes |
| 440-983 | MADISON | 6529 | 2002-04-08 | 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.