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 |
|---|---|---|---|---|
| 224-629 | ELGIN | 6529 | 2001-10-18 | Yes |
| 224-631 | ARLIGTNHTS | 6529 | 2025-01-07 | Yes |
| 224-636 | NORTHBROOK | 6529 | 2005-04-22 | Yes |
| 224-637 | WAUKEGAN | 6529 | 2007-09-12 | Yes |
| 224-645 | NORTHBROOK | 6529 | 2007-06-05 | Yes |
| 224-647 | ARLIGTNHTS | 6529 | 2025-06-06 | Yes |
| 224-652 | ARLIGTNHTS | 6529 | 2025-06-17 | Yes |
| 224-659 | ELK GROVE | 6529 | 2002-08-13 | Yes |
| 224-663 | ARLIGTNHTS | 6529 | 2025-08-12 | Yes |
| 224-669 | ARLIGTNHTS | 6529 | 2025-09-10 | Yes |
| 224-670 | ARLIGTNHTS | 6529 | 2025-10-03 | Yes |
| 224-671 | ARLIGTNHTS | 6529 | 2025-11-05 | Yes |
| 224-672 | ARLIGTNHTS | 6529 | 2025-11-17 | Yes |
| 224-679 | ARLIGTNHTS | 6529 | 2026-01-12 | Yes |
| 224-691 | WHEELING | 6529 | 2026-06-16 | Yes |
| 224-713 | ALGONQUIN | 6529 | 2014-06-11 | Yes |
| 224-715 | LIBERTYVL | 6529 | 2002-06-19 | — |
| 224-716 | ALGONQUIN | 6529 | 2015-02-20 | Yes |
| 224-717 | ZION | 6529 | 2002-10-18 | Yes |
| 224-727 | DEERFIELD | 6529 | 2014-11-06 | Yes |
| 224-730 | ZION | 6529 | 2002-08-30 | Yes |
| 224-733 | WAUKEGAN | 6529 | 2011-03-03 | Yes |
| 224-766 | GLENVIEW | 6529 | 2001-11-13 | Yes |
| 224-770 | BARRINGTON | 6529 | 2005-12-06 | Yes |
| 224-774 | ZION | 6529 | 2014-01-28 | Yes |
| 224-789 | ZION | 6529 | 2006-09-20 | Yes |
| 224-795 | ARLIGTNHTS | 6529 | 2007-09-28 | Yes |
| 224-800 | ARLIGTNHTS | 6529 | 2011-03-03 | Yes |
| 224-803 | NORTHBROOK | 6529 | 2012-01-23 | Yes |
| 224-805 | ARLIGTNHTS | 6529 | 2002-10-18 | Yes |
| 224-806 | ELGIN | 6529 | 2013-06-13 | Yes |
| 224-814 | ROUND LAKE | 6529 | 2013-09-20 | Yes |
| 224-817 | ALGONQUIN | 6529 | 2014-06-11 | Yes |
| 224-818 | ROUND LAKE | 6529 | 2014-07-16 | Yes |
| 224-830 | ARLIGTNHTS | 6529 | 2014-07-25 | Yes |
| 224-848 | BARRINGTON | 6529 | 2005-06-30 | Yes |
| 224-856 | ELGIN | 6529 | 2006-12-21 | Yes |
| 224-875 | ELK GROVE | 6529 | 2002-09-25 | 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.