NumberResearchRecent prefix assignments
5 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 210-725 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-744 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-771 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-789 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-825 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-843 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-849 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-857 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-884 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-885 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-887 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-889 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-900 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 213-255 | T-MOBILE USA, INC. | 6529 | LSAN DA 07 | CA | |
| 213-258 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 213-265 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 213-274 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 213-344 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 213-539 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 213-804 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 213-905 | T-MOBILE USA, INC. | 6529 | LSAN DA 07 | CA | |
| 213-921 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA | |
| 214-228 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-241 | T-MOBILE USA, INC. | 6529 | ENNIS | TX | |
| 214-280 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-284 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-315 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-325 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-392 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-400 | T-MOBILE USA, INC. | 6529 | MIDLOTHIAN | TX | |
| 214-403 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-405 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-417 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-418 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-448 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-450 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-454 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-455 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-457 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-475 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-476 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-477 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-498 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-516 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-518 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-552 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-566 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-597 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-609 | T-MOBILE USA, INC. | 6529 | WAXAHACHIE | TX | |
| 214-621 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.