NumberResearchRecent prefix assignments
5 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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 |
|---|---|---|---|---|---|
| 2024-10-11 | 253-418 | T-MOBILE USA, INC. | 6529 | PUYALLUP | WA |
| 2024-10-11 | 425-325 | T-MOBILE USA, INC. | 6529 | BOTHELL | WA |
| 2024-10-09 | 213-879 | T-MOBILE USA, INC. | 6529 | LSAN DA 07 | CA |
| 2024-10-09 | 213-881 | T-MOBILE USA, INC. | 6529 | LSAN DA 13 | CA |
| 2024-10-09 | 385-590 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2024-10-09 | 442-478 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA |
| 2024-10-09 | 747-374 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA |
| 2024-10-09 | 840-265 | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2024-10-09 | 949-840 | T-MOBILE USA, INC. | 6529 | CAPITRNVLY | CA |
| 2024-10-09 | 951-745 | T-MOBILE USA, INC. | 6529 | HEMT HEMT | CA |
| 2024-10-04 | 319-501 | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2024-10-02 | 737-398 | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2024-09-25 | 213-875 | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2024-09-25 | 628-315 | T-MOBILE USA, INC. | 6529 | BELVEDERE | CA |
| 2024-09-25 | 971-495 | T-MOBILE USA, INC. | 6529 | BEAVERTON | OR |
| 2024-09-24 | 945-998 | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2024-09-19 | 562-768 | T-MOBILE USA, INC. | 6529 | ALAMITOS | CA |
| 2024-09-19 | 858-415 | T-MOBILE USA, INC. | 6529 | SNDG SNDG | CA |
| 2024-09-19 | 949-839 | T-MOBILE USA, INC. | 6529 | IRVINE | CA |
| 2024-09-17 | 661-736 | T-MOBILE USA, INC. | 6529 | ARVIN | CA |
| 2024-09-16 | 206-699 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA |
| 2024-09-16 | 564-260 | T-MOBILE USA, INC. | 6529 | MT VERNON | WA |
| 2024-09-12 | 213-862 | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2024-09-12 | 213-865 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2024-09-12 | 213-869 | T-MOBILE USA, INC. | 6529 | LSAN DA 14 | CA |
| 2024-09-12 | 341-256 | T-MOBILE USA, INC. | 6529 | OKLD FRTVL | CA |
| 2024-09-12 | 442-473 | T-MOBILE USA, INC. | 6529 | VTVL HSPR | CA |
| 2024-09-12 | 442-474 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA |
| 2024-09-12 | 562-759 | T-MOBILE USA, INC. | 6529 | LONG BEACH | CA |
| 2024-09-12 | 575-328 | T-MOBILE USA, INC. | 6529 | SILVERCITY | NM |
| 2024-09-12 | 657-768 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA |
| 2024-09-12 | 661-652 | T-MOBILE USA, INC. | 6529 | SNCA NHCS | CA |
| 2024-09-12 | 983-209 | T-MOBILE USA, INC. | 6529 | FORTLUPTON | CO |
| 2024-09-11 | 945-357 | T-MOBILE USA, INC. | 6529 | FRISCO | TX |
| 2024-09-10 | 515-694 | T-MOBILE USA, INC. | 6529 | AMES | IA |
| 2024-09-10 | 708-886 | T-MOBILE USA, INC. | 6529 | SUMMIT | IL |
| 2024-09-10 | 872-377 | T-MOBILE USA, INC. | 6529 | CHICGOZN09 | IL |
| 2024-09-09 | 219-389 | T-MOBILE USA, INC. | 6529 | PORTAGE | IN |
| 2024-09-09 | 283-225 | T-MOBILE USA, INC. | 6529 | HAMILTON | OH |
| 2024-09-09 | 341-254 | T-MOBILE USA, INC. | 6529 | OKLD BKLY | CA |
| 2024-09-09 | 424-516 | T-MOBILE USA, INC. | 6529 | LOMITA | CA |
| 2024-09-04 | 262-460 | T-MOBILE USA, INC. | 6529 | ALLENTON | WI |
| 2024-08-30 | 206-610 | T-MOBILE USA, INC. | 6529 | RICHMNDBCH | WA |
| 2024-08-30 | 213-859 | T-MOBILE USA, INC. | 6529 | LSAN DA 05 | CA |
| 2024-08-30 | 385-589 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2024-08-30 | 425-570 | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-08-30 | 628-312 | T-MOBILE USA, INC. | 6529 | SNFC CNTRL | CA |
| 2024-08-30 | 669-351 | T-MOBILE USA, INC. | 6529 | SARATOGA | CA |
| 2024-08-30 | 747-372 | T-MOBILE USA, INC. | 6529 | GLENDALE | CA |
| 2024-08-30 | 747-373 | T-MOBILE USA, INC. | 6529 | CANOGAPARK | CA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.