NumberResearchRecent prefix assignments
5 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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
Aug 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2015-06-11 | 909-735 | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2015-06-10 | 210-929 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX |
| 2015-06-10 | 720-725 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2015-06-09 | 314-386 | T-MOBILE USA, INC. | 6529 | LADUE | MO |
| 2015-06-09 | 316-421 | T-MOBILE USA, INC. | 6529 | TOWANDA | KS |
| 2015-06-09 | 414-808 | T-MOBILE USA, INC. | 6529 | MILWAUKZN1 | WI |
| 2015-06-09 | 951-482 | T-MOBILE USA, INC. | 6529 | CORONA | CA |
| 2015-06-08 | 808-745 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2015-06-05 | 626-464 | T-MOBILE USA, INC. | 6529 | ALHAMBRA | CA |
| 2015-06-04 | 747-250 | T-MOBILE USA, INC. | 6529 | VAN NUYS | CA |
| 2015-05-22 | 216-713 | T-MOBILE USA, INC. | 6529 | CLEVELAND | OH |
| 2015-05-22 | 224-469 | T-MOBILE USA, INC. | 6529 | WAUKEGAN | IL |
| 2015-05-22 | 312-874 | T-MOBILE USA, INC. | 6529 | CHICGOZN01 | IL |
| 2015-05-22 | 414-206 | T-MOBILE USA, INC. | 6529 | MILWAUKZN4 | WI |
| 2015-05-22 | 779-713 | T-MOBILE USA, INC. | 6529 | WOODSTOCK | IL |
| 2015-05-22 | 872-308 | T-MOBILE USA, INC. | 6529 | CHICGOZN06 | IL |
| 2015-05-21 | 414-928 | T-MOBILE USA, INC. | 6529 | MILWAUKZN4 | WI |
| 2015-05-20 | 559-712 | T-MOBILE USA, INC. | 6529 | CLOVIS | CA |
| 2015-05-20 | 657-272 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA |
| 2015-05-18 | 562-350 | T-MOBILE USA, INC. | 6529 | LONG BEACH | CA |
| 2015-05-18 | 747-237 | T-MOBILE USA, INC. | 6529 | NORTHRIDGE | CA |
| 2015-05-18 | 909-696 | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2015-05-14 | 234-410 | T-MOBILE USA, INC. | 6529 | CANTON | OH |
| 2015-05-14 | 414-629 | T-MOBILE USA, INC. | 6529 | MILWAUKZN1 | WI |
| 2015-05-14 | 559-548 | T-MOBILE USA, INC. | 6529 | FRESNO | CA |
| 2015-05-11 | 210-986 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX |
| 2015-05-11 | 657-266 | T-MOBILE USA, INC. | 6529 | SANTA ANA | CA |
| 2015-05-05 | 323-690 | T-MOBILE USA, INC. | 6529 | LSAN DA 11 | CA |
| 2015-05-05 | 657-271 | T-MOBILE USA, INC. | 6529 | WESTMINSTR | CA |
| 2015-05-05 | 747-256 | T-MOBILE USA, INC. | 6529 | NO HOLLYWD | CA |
| 2015-05-05 | 916-841 | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2015-05-04 | 209-486 | T-MOBILE USA, INC. | 6529 | MODESTO | CA |
| 2015-05-04 | 619-748 | T-MOBILE USA, INC. | 6529 | CHULAVISTA | CA |
| 2015-05-04 | 805-635 | T-MOBILE USA, INC. | 6529 | PASOROBLES | CA |
| 2015-05-01 | 415-910 | T-MOBILE USA, INC. | 6529 | BELVEDERE | CA |
| 2015-05-01 | 510-640 | T-MOBILE USA, INC. | 6529 | ELSBR-PINL | CA |
| 2015-05-01 | 909-686 | T-MOBILE USA, INC. | 6529 | MENTONE | CA |
| 2015-04-23 | 949-532 | T-MOBILE USA, INC. | 6529 | SADLBK VLY | CA |
| 2015-04-21 | 669-262 | T-MOBILE USA, INC. | 6529 | CAMPBELL | CA |
| 2015-04-16 | 209-696 | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
| 2015-04-16 | 424-535 | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2015-04-16 | 747-252 | T-MOBILE USA, INC. | 6529 | SNFN GRHL | CA |
| 2015-04-16 | 916-793 | T-MOBILE USA, INC. | 6529 | ELK GROVE | CA |
| 2015-04-14 | 442-347 | T-MOBILE USA, INC. | 6529 | BARSTOW | CA |
| 2015-04-14 | 909-734 | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2015-04-13 | 323-975 | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2015-04-13 | 424-521 | T-MOBILE USA, INC. | 6529 | CMTN CMTN | CA |
| 2015-04-13 | 424-523 | T-MOBILE USA, INC. | 6529 | CULVERCITY | CA |
| 2015-04-13 | 510-850 | T-MOBILE USA, INC. | 6529 | OKLD TRNID | CA |
| 2015-04-13 | 573-577 | T-MOBILE USA, INC. | 6529 | HANNIBAL | MO |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.