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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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-05-10 | 626-763 | T-MOBILE USA, INC. | 6529 | ALHAMBRA | CA |
| 2024-05-10 | 971-487 | T-MOBILE USA, INC. | 6529 | BEAVERTON | OR |
| 2024-05-01 | 213-812 | T-MOBILE USA, INC. | 6529 | LSAN DA 12 | CA |
| 2024-05-01 | 385-580 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2024-05-01 | 424-510 | T-MOBILE USA, INC. | 6529 | CMTN CMTN | CA |
| 2024-05-01 | 442-461 | T-MOBILE USA, INC. | 6529 | BRAWLEY | CA |
| 2024-05-01 | 628-304 | T-MOBILE USA, INC. | 6529 | SNFC JUNPR | CA |
| 2024-05-01 | 747-364 | T-MOBILE USA, INC. | 6529 | CANOGAPARK | CA |
| 2024-04-30 | 219-377 | T-MOBILE USA, INC. | 6529 | E CHICAGO | IN |
| 2024-04-22 | 747-363 | T-MOBILE USA, INC. | 6529 | NO HOLLYWD | CA |
| 2024-04-19 | 214-899 | T-MOBILE USA, INC. | 6529 | FRISCO | TX |
| 2024-04-19 | 945-338 | T-MOBILE USA, INC. | 6529 | FRISCO | TX |
| 2024-04-15 | 562-615 | T-MOBILE USA, INC. | 6529 | ALAMITOS | CA |
| 2024-04-12 | 323-824 | T-MOBILE USA, INC. | 6529 | LSAN DA 14 | CA |
| 2024-04-12 | 442-459 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA |
| 2024-04-12 | 747-361 | T-MOBILE USA, INC. | 6529 | GLENDALE | CA |
| 2024-04-03 | 628-310 | T-MOBILE USA, INC. | 6529 | BELVEDERE | CA |
| 2024-03-28 | 213-803 | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2024-03-28 | 213-809 | T-MOBILE USA, INC. | 6529 | LSAN DA 05 | CA |
| 2024-03-28 | 458-322 | T-MOBILE USA, INC. | 6529 | ALBANY | OR |
| 2024-03-28 | 840-256 | T-MOBILE USA, INC. | 6529 | UPLAND | CA |
| 2024-03-28 | 840-257 | T-MOBILE USA, INC. | 6529 | COLTON | CA |
| 2024-03-27 | 341-251 | T-MOBILE USA, INC. | 6529 | ELSBR-PINL | CA |
| 2024-03-27 | 442-998 | T-MOBILE USA, INC. | 6529 | PALMDESERT | CA |
| 2024-03-27 | 657-731 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA |
| 2024-03-27 | 725-329 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2024-03-27 | 779-390 | T-MOBILE USA, INC. | 6529 | LOCKPORT | IL |
| 2024-03-26 | 213-801 | T-MOBILE USA, INC. | 6529 | LSAN DA 09 | CA |
| 2024-03-26 | 279-258 | T-MOBILE USA, INC. | 6529 | FOLSOM | CA |
| 2024-03-26 | 562-734 | T-MOBILE USA, INC. | 6529 | NORWALK | CA |
| 2024-03-26 | 619-986 | T-MOBILE USA, INC. | 6529 | CHULAVISTA | CA |
| 2024-03-26 | 626-753 | T-MOBILE USA, INC. | 6529 | ALHAMBRA | CA |
| 2024-03-26 | 626-754 | T-MOBILE USA, INC. | 6529 | LA PUENTE | CA |
| 2024-03-26 | 909-668 | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-03-26 | 986-280 | T-MOBILE USA, INC. | 6529 | BOISE | ID |
| 2024-03-25 | 971-486 | T-MOBILE USA, INC. | 6529 | CLACKAMAS | OR |
| 2024-03-07 | 224-591 | T-MOBILE USA, INC. | 6529 | BENSENVL | IL |
| 2024-03-06 | 626-481 | T-MOBILE USA, INC. | 6529 | EL MONTE | CA |
| 2024-03-06 | 628-301 | T-MOBILE USA, INC. | 6529 | NOVATO | CA |
| 2024-03-06 | 628-302 | T-MOBILE USA, INC. | 6529 | CORTEMADRA | CA |
| 2024-03-06 | 840-253 | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2024-03-01 | 253-408 | T-MOBILE USA, INC. | 6529 | PUYALLUP | WA |
| 2024-03-01 | 872-360 | T-MOBILE USA, INC. | 6529 | CHICGOZN09 | IL |
| 2024-02-29 | 213-498 | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2024-02-29 | 279-257 | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2024-02-29 | 408-304 | T-MOBILE USA, INC. | 6529 | SARATOGA | CA |
| 2024-02-29 | 619-903 | T-MOBILE USA, INC. | 6529 | EL CAJON | CA |
| 2024-02-29 | 628-298 | T-MOBILE USA, INC. | 6529 | SNFC JUNPR | CA |
| 2024-02-29 | 747-353 | T-MOBILE USA, INC. | 6529 | SNFN GRHL | CA |
| 2024-02-29 | 747-354 | T-MOBILE USA, INC. | 6529 | RESEDA | 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.