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 |
|---|---|---|---|---|---|
| 2025-05-01 | 327-212 | T-MOBILE USA, INC. | 6529 | GURDON | AR |
| 2025-05-01 | 681-775 | T-MOBILE USA, INC. | 6529 | ANSTED | WV |
| 2025-04-29 | 262-535 | T-MOBILE USA, INC. | 6529 | JACKSON | WI |
| 2025-04-25 | 213-956 | T-MOBILE USA, INC. | 6529 | LSAN DA 09 | CA |
| 2025-04-25 | 530-996 | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2025-04-25 | 820-241 | T-MOBILE USA, INC. | 6529 | ATASCADERO | CA |
| 2025-04-25 | 951-773 | T-MOBILE USA, INC. | 6529 | CORONA | CA |
| 2025-04-08 | 254-975 | T-MOBILE USA, INC. | 6529 | CAMERON | TX |
| 2025-04-08 | 307-482 | T-MOBILE USA, INC. | 6529 | WHEATLAND | WY |
| 2025-04-08 | 951-771 | T-MOBILE USA, INC. | 6529 | WOODCREST | CA |
| 2025-04-03 | 283-234 | T-MOBILE USA, INC. | 6529 | CLERMONT | OH |
| 2025-03-31 | 319-990 | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-03-31 | 563-772 | T-MOBILE USA, INC. | 6529 | CASCADE | IA |
| 2025-03-25 | 520-757 | T-MOBILE USA, INC. | 6529 | CASAGRANDE | AZ |
| 2025-03-21 | 316-270 | T-MOBILE USA, INC. | 6529 | HALSTEAD | KS |
| 2025-03-21 | 385-601 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2025-03-21 | 530-992 | T-MOBILE USA, INC. | 6529 | WEAVERVL | CA |
| 2025-03-21 | 620-671 | T-MOBILE USA, INC. | 6529 | INMAN | KS |
| 2025-03-21 | 620-681 | T-MOBILE USA, INC. | 6529 | LONGTON | KS |
| 2025-03-21 | 620-683 | T-MOBILE USA, INC. | 6529 | SOUTHHAVEN | KS |
| 2025-03-21 | 661-672 | T-MOBILE USA, INC. | 6529 | ARVIN | CA |
| 2025-03-21 | 669-366 | T-MOBILE USA, INC. | 6529 | SARATOGA | CA |
| 2025-03-21 | 951-762 | T-MOBILE USA, INC. | 6529 | ARLINGTON | CA |
| 2025-03-20 | 580-608 | T-MOBILE USA, INC. | 6529 | KINGSTON | OK |
| 2025-03-20 | 641-991 | T-MOBILE USA, INC. | 6529 | OSCEOLA | IA |
| 2025-03-18 | 608-971 | T-MOBILE USA, INC. | 6529 | ELROY | WI |
| 2025-03-18 | 682-470 | T-MOBILE USA, INC. | 6529 | FORT WORTH | TX |
| 2025-03-17 | 235-219 | T-MOBILE USA, INC. | 6529 | ST JAMES | MO |
| 2025-03-17 | 447-307 | T-MOBILE USA, INC. | 6529 | HARRISTOWN | IL |
| 2025-03-14 | 235-209 | T-MOBILE USA, INC. | 6529 | SCOTT CITY | MO |
| 2025-03-07 | 253-421 | T-MOBILE USA, INC. | 6529 | AUBURN | WA |
| 2025-03-06 | 213-945 | T-MOBILE USA, INC. | 6529 | LSAN DA 09 | CA |
| 2025-03-06 | 213-951 | T-MOBILE USA, INC. | 6529 | LSAN DA 04 | CA |
| 2025-03-03 | 682-467 | T-MOBILE USA, INC. | 6529 | EULESS | TX |
| 2025-03-03 | 945-378 | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2025-02-25 | 682-464 | T-MOBILE USA, INC. | 6529 | FORT WORTH | TX |
| 2025-02-19 | 385-598 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2025-02-12 | 464-258 | T-MOBILE USA, INC. | 6529 | CICERO | IL |
| 2025-02-10 | 737-413 | T-MOBILE USA, INC. | 6529 | SMITHVILLE | TX |
| 2025-02-10 | 945-371 | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2025-02-05 | 307-478 | T-MOBILE USA, INC. | 6529 | LA GRANGE | WY |
| 2025-01-29 | 254-997 | T-MOBILE USA, INC. | 6529 | NOLANVILLE | TX |
| 2025-01-29 | 940-556 | T-MOBILE USA, INC. | 6529 | JACKSBORO | TX |
| 2025-01-27 | 262-479 | T-MOBILE USA, INC. | 6529 | WIND LAKE | WI |
| 2025-01-27 | 715-729 | T-MOBILE USA, INC. | 6529 | TIGERTON | WI |
| 2025-01-27 | 830-432 | T-MOBILE USA, INC. | 6529 | FLORESVL | TX |
| 2025-01-23 | 274-210 | T-MOBILE USA, INC. | 6529 | RIPON | WI |
| 2025-01-23 | 608-956 | T-MOBILE USA, INC. | 6529 | RICHLD CTR | WI |
| 2025-01-22 | 274-206 | T-MOBILE USA, INC. | 6529 | LUXEMBURG | WI |
| 2025-01-22 | 274-208 | T-MOBILE USA, INC. | 6529 | NESHKORO | WI |
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.