NumberResearchRecent prefix assignments
380 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
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-04-16 | 213-716 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 01 | CA |
| 2001-04-16 | 213-806 | NUSO, LLC | 551G | LSAN DA 01 | CA |
| 2001-04-16 | 213-810 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 01 | CA |
| 2001-04-16 | 213-910 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 01 | CA |
| 2001-04-16 | 213-952 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 01 | CA |
| 2001-04-16 | 240-217 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | HAGERSTOWN | MD |
| 2001-04-16 | 253-222 | T-MOBILE USA, INC. | 6529 | TACOMA | WA |
| 2001-04-16 | 253-223 | T-MOBILE USA, INC. | 6529 | TACOMA | WA |
| 2001-04-16 | 253-224 | T-MOBILE USA, INC. | 6529 | TACOMA | WA |
| 2001-04-16 | 253-332 | T-MOBILE USA, INC. | 6529 | AUBURN | WA |
| 2001-04-16 | 262-302 | T-MOBILE USA, INC. | 6529 | THIENSVL | WI |
| 2001-04-16 | 276-492 | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| 2001-04-16 | 302-898 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | WILMINGTON | DE |
| 2001-04-16 | 304-395 | T-MOBILE USA, INC. | 6529 | CHRLSTNZN1 | WV |
| 2001-04-16 | 304-476 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CLARKSBURG | WV |
| 2001-04-16 | 304-582 | UNITED STATES CELLULAR - WV | 6284 | MARTINSBG | WV |
| 2001-04-16 | 304-699 | LEVEL 3 COMMUNICATIONS, LLC - WV | 9944 | PRKRSBGZN1 | WV |
| 2001-04-16 | 312-390 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-16 | 312-713 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-16 | 323-397 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 14 | CA |
| 2001-04-16 | 323-646 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 14 | CA |
| 2001-04-16 | 323-697 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MONTEBELLO | CA |
| 2001-04-16 | 360-224 | T-MOBILE USA, INC. | 6529 | WHATCOMCTY | WA |
| 2001-04-16 | 360-421 | T-MOBILE USA, INC. | 6529 | MT VERNON | WA |
| 2001-04-16 | 360-440 | T-MOBILE USA, INC. | 6529 | BREMERTON | WA |
| 2001-04-16 | 360-556 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA |
| 2001-04-16 | 360-672 | T-MOBILE USA, INC. | 6529 | OAK HARBOR | WA |
| 2001-04-16 | 360-888 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA |
| 2001-04-16 | 425-343 | T-MOBILE USA, INC. | 6529 | EVERETT | WA |
| 2001-04-16 | 425-344 | T-MOBILE USA, INC. | 6529 | EVERETT | WA |
| 2001-04-16 | 425-737 | T-MOBILE USA, INC. | 6529 | EVERETT | WA |
| 2001-04-16 | 425-770 | T-MOBILE USA, INC. | 6529 | BOTHELL | WA |
| 2001-04-16 | 484-643 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | WEST GROVE | PA |
| 2001-04-16 | 484-722 | ONVOY, LLC - PA | 547E | HONEYBROOK | PA |
| 2001-04-16 | 505-304 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ALBUQURQUE | NM |
| 2001-04-16 | 516-864 | METROPCS, INC. | 5562 | NASSAUZN07 | NY |
| 2001-04-16 | 518-385 | PAETEC ITEL, LLC | 829J | SCHENCTADY | NY |
| 2001-04-16 | 520-406 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TUCSON | AZ |
| 2001-04-16 | 520-413 | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | CASAGRANDE | AZ |
| 2001-04-16 | 520-414 | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | CASAGRANDE | AZ |
| 2001-04-16 | 540-295 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | FREDECKSBG | VA |
| 2001-04-16 | 540-497 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | CULPEPER | VA |
| 2001-04-16 | 540-577 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RADFORD | VA |
| 2001-04-16 | 540-691 | UNITED STATES CELLULAR - VA | 6283 | COVINGTON | VA |
| 2001-04-16 | 562-547 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | NORWALK | CA |
| 2001-04-16 | 562-618 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CMTN CMTN | CA |
| 2001-04-16 | 562-884 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CMTN CMTN | CA |
| 2001-04-16 | 562-889 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CMTN CMTN | CA |
| 2001-04-16 | 630-680 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 630-704 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
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.