T-MOBILE USA, INC.
132 prefixes in 720 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 720-839 | DENVER | 6529 | — | Yes |
| 720-840 | DENVER | 6529 | — | Yes |
| 720-841 | DENVER | 6529 | — | Yes |
| 720-845 | DENVER | 6529 | 2017-08-30 | Yes |
| 720-849 | DENVER | 6529 | — | Yes |
| 720-871 | LONGMONT | 6529 | 2021-11-18 | Yes |
| 720-896 | DENVER | 6529 | 2021-11-12 | Yes |
| 720-914 | FORTLUPTON | 6529 | 2024-01-16 | Yes |
| 720-919 | DENVER | 6529 | 2016-08-23 | Yes |
| 720-933 | DENVER | 6529 | — | — |
| 720-934 | DENVER | 6529 | — | — |
| 720-935 | DENVER | 6529 | — | — |
| 720-936 | DENVER | 6529 | — | — |
| 720-937 | DENVER | 6529 | — | — |
| 720-938 | DENVER | 6529 | — | — |
| 720-939 | DENVER | 6529 | — | — |
| 720-940 | DENVER | 6529 | — | Yes |
| 720-953 | DENVER | 6529 | 2022-07-21 | Yes |
| 720-957 | DENVER | 6529 | 2022-01-27 | Yes |
| 720-964 | LONGMONT | 6529 | 2022-09-20 | Yes |
| 720-965 | DENVER | 6529 | 2013-06-07 | Yes |
| 720-971 | DENVER | 6529 | — | Yes |
| 720-979 | DENVER | 6529 | — | Yes |
| 720-980 | DENVER | 6529 | — | Yes |
| 720-982 | DENVER | 6529 | — | Yes |
| 720-984 | DENVER | 6529 | — | Yes |
| 720-985 | DENVER | 6529 | — | Yes |
| 720-987 | DENVER | 6529 | — | Yes |
| 720-988 | DENVER | 6529 | — | Yes |
| 720-989 | DENVER | 6529 | — | Yes |
| 720-994 | DENVER | 6529 | 2022-11-23 | Yes |
| 720-999 | DENVER | 6529 | 2008-07-22 | 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.