T-MOBILE USA, INC.
49 prefixes in 219 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 219-201 | GARY | 6529 | — | Yes |
| 219-216 | VALPARAISO | 6529 | 2017-06-01 | Yes |
| 219-217 | WESTVILLE | 6529 | 2017-06-01 | Yes |
| 219-239 | GARY | 6529 | 2012-02-15 | Yes |
| 219-240 | GARY | 6529 | 2012-05-15 | Yes |
| 219-256 | E CHICAGO | 6529 | 2007-02-20 | Yes |
| 219-257 | CROWNPOINT | 6529 | 2018-10-18 | Yes |
| 219-276 | E CHICAGO | 6529 | 2012-07-27 | Yes |
| 219-281 | CROWNPOINT | 6529 | 2014-03-05 | Yes |
| 219-289 | E CHICAGO | 6529 | 2021-08-24 | Yes |
| 219-298 | E CHICAGO | 6529 | 2022-02-22 | Yes |
| 219-306 | CROWNPOINT | 6529 | 2002-04-30 | Yes |
| 219-308 | CROWNPOINT | 6529 | 2001-05-31 | Yes |
| 219-309 | VALPARAISO | 6529 | 2001-05-31 | Yes |
| 219-313 | GARY | 6529 | 2002-04-11 | Yes |
| 219-315 | E CHICAGO | 6529 | 2013-05-28 | Yes |
| 219-316 | E CHICAGO | 6529 | 2013-05-28 | Yes |
| 219-318 | GARY | 6529 | 2014-03-03 | Yes |
| 219-321 | GARY | 6529 | 2012-10-01 | Yes |
| 219-323 | CROWNPOINT | 6529 | 2013-01-17 | Yes |
| 219-331 | PORTAGE | 6529 | — | Yes |
| 219-334 | CROWNPOINT | 6529 | 2015-08-31 | Yes |
| 219-341 | E CHICAGO | 6529 | 2023-07-26 | Yes |
| 219-350 | PORTAGE | 6529 | 2023-12-13 | Yes |
| 219-359 | GARY | 6529 | 2008-10-06 | Yes |
| 219-368 | HAMMOND | 6529 | 2024-02-09 | Yes |
| 219-371 | HEBRON | 6529 | 2024-02-09 | Yes |
| 219-377 | E CHICAGO | 6529 | 2024-04-30 | Yes |
| 219-385 | HAMMOND | 6529 | 2024-08-21 | Yes |
| 219-389 | PORTAGE | 6529 | 2024-09-09 | Yes |
| 219-433 | GARY | 6529 | 2007-02-21 | Yes |
| 219-448 | WESTVILLE | 6529 | 2001-05-04 | Yes |
| 219-455 | GARY | 6529 | 2006-06-27 | Yes |
| 219-484 | GARY | 6529 | 2004-03-29 | Yes |
| 219-487 | GARY | 6529 | 2006-01-25 | Yes |
| 219-512 | GARY | 6529 | — | Yes |
| 219-516 | E CHICAGO | 6529 | 2015-09-22 | Yes |
| 219-588 | GARY | 6529 | 2002-03-14 | Yes |
| 219-613 | CROWNPOINT | 6529 | — | Yes |
| 219-614 | GARY | 6529 | — | Yes |
| 219-678 | GARY | 6529 | — | Yes |
| 219-702 | GARY | 6529 | 2013-06-13 | Yes |
| 219-801 | E CHICAGO | 6529 | 2002-02-11 | Yes |
| 219-805 | GARY | 6529 | 2001-01-31 | — |
| 219-806 | GARY | 6529 | 2015-06-12 | Yes |
| 219-808 | GARY | 6529 | 2001-03-06 | Yes |
| 219-898 | MICHIGANCY | 6529 | — | Yes |
| 219-902 | GARY | 6529 | 2001-01-31 | Yes |
| 219-916 | VALPARAISO | 6529 | 2002-06-19 | 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.