NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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
Aug 2026
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Dec 2025
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-03-29 | 567-453 | TSC COMMUNICATIONS, INC. - OH | 0640 | ALGER | OH |
| 2024-03-29 | 573-980 | ONVOY SPECTRUM, LLC | 624H | BONNETERRE | MO |
| 2024-03-29 | 573-981 | ONVOY SPECTRUM, LLC | 624H | CAMDENTON | MO |
| 2024-03-29 | 573-991 | ONVOY SPECTRUM, LLC | 624H | MEXICO | MO |
| 2024-03-29 | 626-760 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | PSDN PSDN | CA |
| 2024-03-29 | 636-424 | ONVOY, LLC - MO | 093F | POND | MO |
| 2024-03-29 | 667-481 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ABERDEEN | MD |
| 2024-03-29 | 689-332 | ONVOY, LLC - FL | 937C | WINTERPARK | FL |
| 2024-03-29 | 779-391 | ONVOY SPECTRUM, LLC | 624H | NEW LENOX | IL |
| 2024-03-29 | 779-392 | ONVOY SPECTRUM, LLC | 624H | OGLESBY | IL |
| 2024-03-29 | 779-393 | ONVOY SPECTRUM, LLC | 624H | WATSEKA | IL |
| 2024-03-29 | 779-394 | ONVOY SPECTRUM, LLC | 624H | WELLINGTON | IL |
| 2024-03-29 | 820-227 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTAMARIA | CA |
| 2024-03-29 | 854-270 | ONVOY SPECTRUM, LLC | 624H | CONWAY | SC |
| 2024-03-29 | 943-248 | POWERTEL ATLANTA LICENSES, INC. | 7473 | CARTERSVL | GA |
| 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 | 220-265 | ONVOY, LLC - OH | 464C | STEUBENVL | OH |
| 2024-03-28 | 225-393 | IP HORIZON LLC | 515J | TUNICA | LA |
| 2024-03-28 | 313-716 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | DETROITZN5 | MI |
| 2024-03-28 | 319-487 | ONVOY, LLC - IA | 221F | CEDAR RPDS | IA |
| 2024-03-28 | 331-326 | ONVOY, LLC | 224C | DOWNERSGRV | IL |
| 2024-03-28 | 346-682 | ONVOY, LLC - TX | 903C | CROSBY | TX |
| 2024-03-28 | 346-785 | ONVOY, LLC - TX | 903C | ALVIN | TX |
| 2024-03-28 | 346-790 | ONVOY, LLC - TX | 903C | LA PORTE | TX |
| 2024-03-28 | 346-791 | ONVOY, LLC - TX | 903C | HUMBLE | TX |
| 2024-03-28 | 458-322 | T-MOBILE USA, INC. | 6529 | ALBANY | OR |
| 2024-03-28 | 475-365 | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-03-28 | 475-367 | ONVOY, LLC - CT | 639C | BYRAM | CT |
| 2024-03-28 | 515-714 | ONVOY SPECTRUM, LLC | 624H | MADRID | IA |
| 2024-03-28 | 520-735 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SIERRAVIST | AZ |
| 2024-03-28 | 582-264 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | SOMERSET | PA |
| 2024-03-28 | 641-518 | ONVOY SPECTRUM, LLC | 624H | DELTA | IA |
| 2024-03-28 | 641-589 | ONVOY SPECTRUM, LLC | 624H | SEYMOUR | IA |
| 2024-03-28 | 641-601 | ONVOY SPECTRUM, LLC | 624H | TRACY | IA |
| 2024-03-28 | 641-639 | ONVOY SPECTRUM, LLC | 624H | MYSTIC | IA |
| 2024-03-28 | 657-735 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2024-03-28 | 681-528 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PRKRSBGZN1 | WV |
| 2024-03-28 | 689-331 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WINTERPARK | FL |
| 2024-03-28 | 714-217 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WESTMINSTR | CA |
| 2024-03-28 | 719-756 | TELEPORT COMMUNICATIONS AMERICA, LLC - CO | 7378 | COLORDOSPG | CO |
| 2024-03-28 | 743-277 | CHARTER IP ENABLED SERVICES, LLC | 792K | NATHANSCRK | NC |
| 2024-03-28 | 828-814 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MORGANTON | NC |
| 2024-03-28 | 835-245 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | ALLENTOWN | PA |
| 2024-03-28 | 839-285 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | CHESTER | SC |
| 2024-03-28 | 840-256 | T-MOBILE USA, INC. | 6529 | UPLAND | CA |
| 2024-03-28 | 840-257 | T-MOBILE USA, INC. | 6529 | COLTON | CA |
| 2024-03-28 | 901-723 | ONVOY, LLC - TN | 525E | MEMPHIS | TN |
| 2024-03-28 | 951-728 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HEMT HEMT | CA |
| 2024-03-28 | 959-264 | ONVOY, LLC - CT | 639C | NEW LONDON | CT |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.