T-MOBILE USA, INC.
138 prefixes in 224 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 224-210 | ARLIGTNHTS | 6529 | 2004-11-22 | Yes |
| 224-220 | DESPLAINES | 6529 | 2004-11-24 | Yes |
| 224-224 | DESPLAINES | 6529 | 2024-07-31 | Yes |
| 224-226 | NORTHBROOK | 6529 | 2011-09-08 | Yes |
| 224-235 | NORTHBROOK | 6529 | 2011-07-11 | Yes |
| 224-237 | WAUKEGAN | 6529 | 2011-07-18 | Yes |
| 224-245 | ARLIGTNHTS | 6529 | 2011-07-21 | Yes |
| 224-247 | ARLIGTNHTS | 6529 | 2013-04-18 | Yes |
| 224-248 | ARLIGTNHTS | 6529 | 2013-06-21 | Yes |
| 224-253 | ALGONQUIN | 6529 | 2013-06-25 | Yes |
| 224-256 | ALGONQUIN | 6529 | 2012-08-10 | Yes |
| 224-258 | ARLIGTNHTS | 6529 | 2015-06-26 | Yes |
| 224-260 | GLENVIEW | 6529 | 2005-11-21 | Yes |
| 224-261 | NORTHBROOK | 6529 | 2011-09-08 | Yes |
| 224-276 | ELGIN | 6529 | 2010-10-04 | Yes |
| 224-280 | WAUKEGAN | 6529 | 2002-10-17 | Yes |
| 224-281 | ELGIN | 6529 | 2013-10-16 | Yes |
| 224-284 | DEERFIELD | 6529 | 2018-01-31 | Yes |
| 224-294 | LIBERTYVL | 6529 | 2018-10-19 | Yes |
| 224-295 | PALATINE | 6529 | 2018-10-22 | Yes |
| 224-305 | NORTHBROOK | 6529 | 2003-02-19 | Yes |
| 224-308 | ROUND LAKE | 6529 | 2012-05-02 | Yes |
| 224-322 | ARLIGTNHTS | 6529 | 2017-03-20 | Yes |
| 224-334 | ARLIGTNHTS | 6529 | 2014-03-05 | Yes |
| 224-336 | NORTHBROOK | 6529 | 2013-07-09 | Yes |
| 224-343 | NORTHBROOK | 6529 | 2007-09-29 | Yes |
| 224-349 | ARLIGTNHTS | 6529 | 2021-01-13 | Yes |
| 224-355 | NORTHBROOK | 6529 | 2005-04-22 | Yes |
| 224-363 | ELGIN | 6529 | 2020-09-30 | Yes |
| 224-368 | ARLIGTNHTS | 6529 | 2020-12-11 | Yes |
| 224-369 | WAUKEGAN | 6529 | 2021-01-14 | Yes |
| 224-377 | HALF DAY | 6529 | 2005-02-21 | Yes |
| 224-381 | WAUKEGAN | 6529 | 2001-11-13 | Yes |
| 224-384 | ARLIGTNHTS | 6529 | 2021-05-14 | Yes |
| 224-385 | BARRINGTON | 6529 | 2014-06-11 | Yes |
| 224-386 | PALATINE | 6529 | 2014-09-02 | Yes |
| 224-387 | ARLIGTNHTS | 6529 | 2007-09-28 | Yes |
| 224-388 | ARLIGTNHTS | 6529 | 2005-02-18 | Yes |
| 224-390 | ROUND LAKE | 6529 | 2021-07-07 | Yes |
| 224-391 | ARLIGTNHTS | 6529 | 2021-08-03 | Yes |
| 224-392 | NORTHBROOK | 6529 | 2002-09-23 | — |
| 224-396 | BARRINGTON | 6529 | 2021-08-03 | Yes |
| 224-397 | ALGONQUIN | 6529 | 2021-08-03 | Yes |
| 224-400 | ARLIGTNHTS | 6529 | — | Yes |
| 224-402 | ELGIN | 6529 | 2002-04-19 | Yes |
| 224-409 | ARLIGTNHTS | 6529 | 2013-05-24 | Yes |
| 224-410 | ALGONQUIN | 6529 | 2013-05-24 | Yes |
| 224-413 | WAUKEGAN | 6529 | 2013-07-09 | Yes |
| 224-415 | NORTHBROOK | 6529 | 2013-07-09 | Yes |
| 224-418 | ELK GROVE | 6529 | 2021-09-22 | Yes |
| 224-421 | ARLIGTNHTS | 6529 | 2016-11-11 | Yes |
| 224-424 | LIBERTYVL | 6529 | — | Yes |
| 224-425 | ARLIGTNHTS | 6529 | 2007-07-10 | Yes |
| 224-427 | BARRINGTON | 6529 | 2013-04-18 | Yes |
| 224-428 | ALGONQUIN | 6529 | 2016-11-11 | Yes |
| 224-431 | ARLIGTNHTS | 6529 | 2021-10-11 | Yes |
| 224-432 | GLENVIEW | 6529 | 2013-07-09 | Yes |
| 224-433 | LIBERTYVL | 6529 | 2006-04-25 | Yes |
| 224-435 | GLENVIEW | 6529 | 2014-11-07 | Yes |
| 224-436 | LAKEFOREST | 6529 | 2002-06-07 | Yes |
| 224-454 | ELGIN | 6529 | 2022-02-22 | Yes |
| 224-459 | LIBERTYVL | 6529 | 2022-03-22 | Yes |
| 224-460 | ARLIGTNHTS | 6529 | 2022-04-01 | Yes |
| 224-465 | ARLIGTNHTS | 6529 | 2007-04-24 | Yes |
| 224-468 | ELGIN | 6529 | 2023-07-28 | Yes |
| 224-469 | WAUKEGAN | 6529 | 2015-05-22 | Yes |
| 224-479 | NORTHBROOK | 6529 | 2014-10-24 | Yes |
| 224-486 | ARLIGTNHTS | 6529 | 2022-09-26 | Yes |
| 224-489 | BARRINGTON | 6529 | 2002-06-10 | Yes |
| 224-503 | NORTHBROOK | 6529 | 2014-10-24 | Yes |
| 224-504 | LIBERTYVL | 6529 | 2014-11-14 | Yes |
| 224-508 | ELGIN | 6529 | 2014-07-21 | Yes |
| 224-516 | LAKEFOREST | 6529 | 2015-01-08 | Yes |
| 224-517 | BARRINGTON | 6529 | 2015-02-20 | Yes |
| 224-518 | ARLIGTNHTS | 6529 | 2015-01-21 | Yes |
| 224-522 | NORTHBROOK | 6529 | 2002-10-18 | — |
| 224-523 | ELGIN | 6529 | 2008-10-06 | Yes |
| 224-529 | GLENVIEW | 6529 | 2017-03-20 | Yes |
| 224-537 | DESPLAINES | 6529 | 2024-01-05 | Yes |
| 224-538 | WAUKEGAN | 6529 | 2005-03-28 | Yes |
| 224-540 | ROUND LAKE | 6529 | 2015-10-23 | Yes |
| 224-548 | NORTHBROOK | 6529 | 2007-09-29 | Yes |
| 224-550 | ELK GROVE | 6529 | — | Yes |
| 224-558 | ARLIGTNHTS | 6529 | 2002-06-05 | Yes |
| 224-565 | NORTHBROOK | 6529 | 2007-08-21 | Yes |
| 224-577 | ROUND LAKE | 6529 | 2002-01-17 | Yes |
| 224-578 | PALATINE | 6529 | 2001-11-13 | Yes |
| 224-587 | ARLIGTNHTS | 6529 | 2006-11-29 | Yes |
| 224-591 | BENSENVL | 6529 | 2024-03-07 | Yes |
| 224-595 | ARLIGTNHTS | 6529 | 2002-07-15 | — |
| 224-600 | ALGONQUIN | 6529 | 2011-02-10 | Yes |
| 224-605 | ELGIN | 6529 | 2016-12-12 | Yes |
| 224-607 | ARLIGTNHTS | 6529 | 2016-12-12 | Yes |
| 224-614 | ARLIGTNHTS | 6529 | 2024-08-21 | Yes |
| 224-616 | GLENVIEW | 6529 | 2005-12-06 | Yes |
| 224-619 | DEERFIELD | 6529 | 2001-11-13 | Yes |
| 224-622 | BARRINGTON | 6529 | 2002-03-28 | — |
| 224-623 | ALGONQUIN | 6529 | 2001-11-13 | Yes |
| 224-627 | WAUKEGAN | 6529 | 2002-04-30 | Yes |
| 224-628 | NORTHBROOK | 6529 | 2002-07-30 | 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.