T-MOBILE USA, INC.
54 prefixes in 817 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 817-401 | ARLINGTON | 6529 | — | Yes |
| 817-501 | ARLINGTON | 6529 | — | — |
| 817-521 | ARLINGTON | 6529 | — | Yes |
| 817-538 | ARLINGTON | 6529 | — | Yes |
| 817-609 | WEATHERFD | 6529 | — | Yes |
| 817-629 | WEATHERFD | 6529 | — | Yes |
| 817-630 | ARLINGTON | 6529 | 2017-12-14 | Yes |
| 817-637 | ARLINGTON | 6529 | — | Yes |
| 817-650 | GRANBURY | 6529 | — | Yes |
| 817-657 | ARLINGTON | 6529 | — | Yes |
| 817-658 | ARLINGTON | 6529 | — | Yes |
| 817-681 | ARLINGTON | 6529 | 2001-01-18 | Yes |
| 817-683 | ARLINGTON | 6529 | — | Yes |
| 817-689 | ARLINGTON | 6529 | — | Yes |
| 817-690 | ARLINGTON | 6529 | — | Yes |
| 817-691 | ARLINGTON | 6529 | — | Yes |
| 817-703 | ARLINGTON | 6529 | — | — |
| 817-705 | ARLINGTON | 6529 | — | Yes |
| 817-706 | ARLINGTON | 6529 | — | Yes |
| 817-714 | ARLINGTON | 6529 | — | — |
| 817-715 | ARLINGTON | 6529 | — | — |
| 817-721 | ARLINGTON | 6529 | — | Yes |
| 817-723 | ARLINGTON | 6529 | — | Yes |
| 817-726 | ARLINGTON | 6529 | — | Yes |
| 817-729 | ARLINGTON | 6529 | — | Yes |
| 817-743 | NRICHLDHLS | 6529 | — | Yes |
| 817-749 | GRAPEVINE | 6529 | — | Yes |
| 817-791 | ARLINGTON | 6529 | — | Yes |
| 817-793 | ARLINGTON | 6529 | — | — |
| 817-797 | ARLINGTON | 6529 | — | Yes |
| 817-798 | ARLINGTON | 6529 | — | Yes |
| 817-800 | ARLINGTON | 6529 | — | Yes |
| 817-808 | ARLINGTON | 6529 | — | — |
| 817-819 | ARLINGTON | 6529 | — | Yes |
| 817-822 | ARLINGTON | 6529 | — | Yes |
| 817-825 | ARLINGTON | 6529 | — | Yes |
| 817-829 | ARLINGTON | 6529 | — | Yes |
| 817-845 | ARLINGTON | 6529 | — | Yes |
| 817-846 | ARLINGTON | 6529 | — | Yes |
| 817-874 | ARLINGTON | 6529 | — | Yes |
| 817-875 | ARLINGTON | 6529 | — | Yes |
| 817-881 | ARLINGTON | 6529 | — | — |
| 817-883 | ARLINGTON | 6529 | 2021-11-18 | Yes |
| 817-891 | ARLINGTON | 6529 | — | — |
| 817-894 | GRANBURY | 6529 | 2001-08-23 | Yes |
| 817-896 | ARLINGTON | 6529 | — | — |
| 817-903 | ARLINGTON | 6529 | — | — |
| 817-919 | ARLINGTON | 6529 | — | Yes |
| 817-936 | ARLINGTON | 6529 | 2018-03-08 | Yes |
| 817-937 | ARLINGTON | 6529 | — | Yes |
| 817-938 | ARLINGTON | 6529 | — | Yes |
| 817-939 | ARLINGTON | 6529 | — | Yes |
| 817-941 | ARLINGTON | 6529 | 2012-09-14 | Yes |
| 817-966 | ARLINGTON | 6529 | — | — |
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.