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
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-03-28 | 970-894 | ONVOY, LLC - CO | 026D | BERTHOUD | CO |
| 2024-03-28 | 984-376 | SUNCOM DBA T-MOBILE USA | 8645 | FUQUAYVRIN | NC |
| 2024-03-27 | 262-449 | ONVOY, LLC - WI | 225C | OCONOMOWOC | WI |
| 2024-03-27 | 302-640 | ONVOY, LLC - DE | 969E | GEORGETOWN | DE |
| 2024-03-27 | 341-251 | T-MOBILE USA, INC. | 6529 | ELSBR-PINL | CA |
| 2024-03-27 | 382-482 | Fibernetics Corporation | 464D | Stratford | — |
| 2024-03-27 | 382-483 | Fibernetics Corporation | 464D | Chatham | — |
| 2024-03-27 | 382-484 | Fibernetics Corporation | 464D | Brantford | — |
| 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 | 657-734 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2024-03-27 | 725-329 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2024-03-27 | 762-387 | ONVOY, LLC - GA | 067D | LAVONIA | GA |
| 2024-03-27 | 762-389 | ONVOY, LLC - GA | 067D | THOMASTON | GA |
| 2024-03-27 | 779-390 | T-MOBILE USA, INC. | 6529 | LOCKPORT | IL |
| 2024-03-27 | 808-759 | TELEPORT COMMUNICATIONS AMERICA, LLC - HI | 003J | HONOLULU | HI |
| 2024-03-27 | 872-366 | ONVOY, LLC | 224C | CHICGOZN03 | IL |
| 2024-03-27 | 959-263 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | DEEP RIVER | CT |
| 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 | 279-259 | ONVOY, LLC - CA | 649C | RSVL MAIN | CA |
| 2024-03-26 | 343-509 | Videotron Ltd. | 383F | Smiths Falls | — |
| 2024-03-26 | 352-845 | FIVE9, INC. | 598J | EUSTIS | FL |
| 2024-03-26 | 531-366 | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 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 | 629-313 | ONVOY, LLC - TN | 525E | DICKSON | TN |
| 2024-03-26 | 667-480 | ONVOY, LLC - MD | 876D | WATERLO236 | MD |
| 2024-03-26 | 681-527 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LOGAN | WV |
| 2024-03-26 | 712-687 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | LIDDERDALE | IA |
| 2024-03-26 | 831-312 | CSC VOICE, LLC | 612K | MONTEREY | CA |
| 2024-03-26 | 848-378 | ONVOY, LLC - NJ | 637C | SOUTHAMBOY | NJ |
| 2024-03-26 | 909-668 | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-03-26 | 945-337 | ONVOY, LLC - TX | 903C | DALLAS | TX |
| 2024-03-26 | 986-280 | T-MOBILE USA, INC. | 6529 | BOISE | ID |
| 2024-03-25 | 302-534 | ONVOY, LLC - DE | 969E | MIDDLETOWN | DE |
| 2024-03-25 | 352-838 | ONVOY, LLC - FL | 937C | DADE CITY | FL |
| 2024-03-25 | 472-252 | ONVOY, LLC - NC | 638E | PEMBROKE | NC |
| 2024-03-25 | 559-889 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISALIA | CA |
| 2024-03-25 | 571-673 | ONVOY, LLC - VA | 138E | OCCOQUAN | VA |
| 2024-03-25 | 657-730 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2024-03-25 | 782-802 | Iristel Inc. | 154E | Sydney | — |
| 2024-03-25 | 826-244 | ONVOY, LLC - VA | 138E | STAFFORD | VA |
| 2024-03-25 | 831-294 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALINAS | CA |
| 2024-03-25 | 839-284 | ONVOY, LLC - SC | 548E | BATESBURG | SC |
| 2024-03-25 | 854-268 | ONVOY, LLC - SC | 548E | MARION | SC |
| 2024-03-25 | 870-969 | CSC VOICE, LLC | 612K | ROE | AR |
| 2024-03-25 | 941-370 | ONVOY, LLC - FL | 937C | PTCHARLOTT | FL |
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.