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 |
|---|---|---|---|---|---|
| 2022-12-15 | 573-902 | T-MOBILE USA, INC. | 6529 | PERRYVILLE | MO |
| 2022-12-12 | 564-228 | T-MOBILE USA, INC. | 6529 | ABERDEEN | WA |
| 2022-12-08 | 513-610 | T-MOBILE USA, INC. | 6529 | SEVEN MILE | OH |
| 2022-12-08 | 608-814 | T-MOBILE USA, INC. | 6529 | BELOIT | WI |
| 2022-12-08 | 608-815 | T-MOBILE USA, INC. | 6529 | JANESVILLE | WI |
| 2022-12-07 | 385-508 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT |
| 2022-12-01 | 424-483 | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2022-11-23 | 458-291 | T-MOBILE USA, INC. | 6529 | GRANTSPASS | OR |
| 2022-11-23 | 480-931 | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-11-23 | 623-290 | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-11-23 | 720-994 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2022-11-23 | 970-559 | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2022-11-21 | 872-325 | T-MOBILE USA, INC. | 6529 | CHICGOZN02 | IL |
| 2022-11-18 | 479-491 | T-MOBILE USA, INC. | 6529 | CLARKSVL | AR |
| 2022-11-15 | 564-226 | T-MOBILE USA, INC. | 6529 | BREMERTON | WA |
| 2022-11-09 | 626-654 | T-MOBILE USA, INC. | 6529 | PSDN PSDN | CA |
| 2022-11-09 | 725-290 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2022-11-09 | 970-505 | T-MOBILE USA, INC. | 6529 | GLENWD SPG | CO |
| 2022-10-28 | 213-691 | T-MOBILE USA, INC. | 6529 | LSAN DA 07 | CA |
| 2022-10-28 | 858-341 | T-MOBILE USA, INC. | 6529 | CHULAVISTA | CA |
| 2022-10-20 | 940-493 | T-MOBILE USA, INC. | 6529 | DENTON | TX |
| 2022-10-20 | 940-629 | T-MOBILE USA, INC. | 6529 | DENTON | TX |
| 2022-10-19 | 425-384 | T-MOBILE USA, INC. | 6529 | BOTHELL | WA |
| 2022-10-19 | 509-273 | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2022-10-19 | 808-751 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2022-10-12 | 707-989 | T-MOBILE USA, INC. | 6529 | FRFLD-SUIS | CA |
| 2022-10-11 | 657-623 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA |
| 2022-10-11 | 725-287 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2022-10-11 | 808-830 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI |
| 2022-10-11 | 915-312 | T-MOBILE USA, INC. | 6529 | EL PASO | TX |
| 2022-10-06 | 726-230 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX |
| 2022-10-06 | 737-341 | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2022-10-06 | 737-342 | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2022-10-06 | 945-272 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2022-10-06 | 945-273 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2022-10-06 | 945-274 | T-MOBILE USA, INC. | 6529 | MCKINNEY | TX |
| 2022-10-03 | 253-402 | T-MOBILE USA, INC. | 6529 | AUBURN | WA |
| 2022-10-03 | 509-296 | T-MOBILE USA, INC. | 6529 | PULLMAN | WA |
| 2022-10-03 | 564-235 | T-MOBILE USA, INC. | 6529 | BUCKLEY | WA |
| 2022-10-03 | 564-262 | T-MOBILE USA, INC. | 6529 | LONGVIEW | WA |
| 2022-10-03 | 669-324 | T-MOBILE USA, INC. | 6529 | CAMPBELL | CA |
| 2022-10-03 | 737-340 | T-MOBILE USA, INC. | 6529 | GEORGETOWN | TX |
| 2022-10-03 | 940-344 | T-MOBILE USA, INC. | 6529 | LAKEDALLAS | TX |
| 2022-09-30 | 505-542 | T-MOBILE USA, INC. | 6529 | ESPANOLA | NM |
| 2022-09-30 | 505-868 | T-MOBILE USA, INC. | 6529 | GALLUP | NM |
| 2022-09-30 | 808-229 | T-MOBILE USA, INC. | 6529 | HILO | HI |
| 2022-09-29 | 405-363 | T-MOBILE USA, INC. | 6529 | EDMOND | OK |
| 2022-09-29 | 405-978 | T-MOBILE USA, INC. | 6529 | BETHANY | OK |
| 2022-09-28 | 830-297 | T-MOBILE USA, INC. | 6529 | CARRIZOSPG | TX |
| 2022-09-28 | 830-369 | T-MOBILE USA, INC. | 6529 | NEWBRANFLS | 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.