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
Sep 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2025-12-03 | 970-917 | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2025-12-03 | 986-302 | T-MOBILE USA, INC. | 6529 | TWIN FALLS | ID |
| 2025-11-28 | 341-265 | T-MOBILE USA, INC. | 6529 | ELSBR-PINL | CA |
| 2025-11-28 | 858-445 | T-MOBILE USA, INC. | 6529 | SNDG MRMS | CA |
| 2025-11-26 | 385-618 | T-MOBILE USA, INC. | 6529 | PROVO | UT |
| 2025-11-25 | 779-436 | T-MOBILE USA, INC. | 6529 | PLAINFIELD | IL |
| 2025-11-24 | 840-286 | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2025-11-17 | 224-672 | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2025-11-17 | 986-301 | T-MOBILE USA, INC. | 6529 | BOISE | ID |
| 2025-11-13 | 657-835 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA |
| 2025-11-07 | 253-436 | T-MOBILE USA, INC. | 6529 | AUBURN | WA |
| 2025-11-06 | 307-385 | T-MOBILE USA, INC. | 6529 | JACKSON | WY |
| 2025-11-06 | 458-357 | T-MOBILE USA, INC. | 6529 | MADRAS | OR |
| 2025-11-06 | 628-329 | T-MOBILE USA, INC. | 6529 | SAUSALITO | CA |
| 2025-11-06 | 820-246 | T-MOBILE USA, INC. | 6529 | ATASCADERO | CA |
| 2025-11-06 | 928-553 | T-MOBILE USA, INC. | 6529 | BULLHEADCY | AZ |
| 2025-11-05 | 224-671 | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2025-10-30 | 279-290 | T-MOBILE USA, INC. | 6529 | ELK GROVE | CA |
| 2025-10-30 | 442-494 | T-MOBILE USA, INC. | 6529 | BRAWLEY | CA |
| 2025-10-30 | 530-998 | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2025-10-28 | 520-764 | T-MOBILE USA, INC. | 6529 | CASAGRANDE | AZ |
| 2025-10-24 | 738-200 | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2025-10-23 | 425-575 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2025-10-21 | 858-443 | T-MOBILE USA, INC. | 6529 | CHULAVISTA | CA |
| 2025-10-17 | 442-493 | T-MOBILE USA, INC. | 6529 | VTVL HSPR | CA |
| 2025-10-17 | 539-388 | T-MOBILE USA, INC. | 6529 | BARTLESVL | OK |
| 2025-10-17 | 949-602 | T-MOBILE USA, INC. | 6529 | NEWPORTBCH | CA |
| 2025-10-15 | 945-409 | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2025-10-14 | 951-804 | T-MOBILE USA, INC. | 6529 | HEMT HEMT | CA |
| 2025-10-07 | 385-615 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2025-10-07 | 945-408 | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2025-10-03 | 224-670 | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2025-10-03 | 682-482 | T-MOBILE USA, INC. | 6529 | FORT WORTH | TX |
| 2025-10-02 | 747-383 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA |
| 2025-10-02 | 951-803 | T-MOBILE USA, INC. | 6529 | PERRIS | CA |
| 2025-10-01 | 737-426 | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2025-10-01 | 808-991 | T-MOBILE USA, INC. | 6529 | HILO | HI |
| 2025-09-29 | 945-407 | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2025-09-24 | 562-847 | T-MOBILE USA, INC. | 6529 | ALAMITOS | CA |
| 2025-09-24 | 949-883 | T-MOBILE USA, INC. | 6529 | CAPITRNVLY | CA |
| 2025-09-23 | 254-606 | T-MOBILE USA, INC. | 6529 | CAMERON | TX |
| 2025-09-19 | 425-574 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2025-09-19 | 971-523 | T-MOBILE USA, INC. | 6529 | TILLAMOOK | OR |
| 2025-09-16 | 572-358 | T-MOBILE USA, INC. | 6529 | CHANDLER | OK |
| 2025-09-16 | 681-981 | T-MOBILE USA, INC. | 6529 | ANSTED | WV |
| 2025-09-16 | 945-403 | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2025-09-12 | 369-235 | T-MOBILE USA, INC. | 6529 | BENICIA | CA |
| 2025-09-12 | 951-802 | T-MOBILE USA, INC. | 6529 | MORENO | CA |
| 2025-09-10 | 224-669 | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2025-09-10 | 945-402 | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
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.