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 |
|---|---|---|---|---|---|
| 2024-02-29 | 225-524 | ONVOY, LLC - LA | 749E | CLINTON | LA |
| 2024-02-29 | 251-482 | ONVOY, LLC - AL | 604E | BAYMINETTE | AL |
| 2024-02-29 | 252-736 | ONVOY, LLC - NC | 638E | MOYOCK | NC |
| 2024-02-29 | 262-410 | ONVOY, LLC - WI | 225C | HUBERTUS | WI |
| 2024-02-29 | 262-413 | ONVOY, LLC - WI | 225C | HARTLAND | WI |
| 2024-02-29 | 262-418 | ONVOY, LLC - WI | 225C | UNIONGROVE | WI |
| 2024-02-29 | 262-426 | ONVOY, LLC - WI | 225C | LAKEGENEVA | WI |
| 2024-02-29 | 262-430 | ONVOY, LLC - WI | 225C | HARTFORD | WI |
| 2024-02-29 | 272-398 | ONVOY, LLC - PA | 547E | WILKSBARRE | PA |
| 2024-02-29 | 272-399 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | KINGSTON | PA |
| 2024-02-29 | 279-257 | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2024-02-29 | 302-630 | ONVOY, LLC - DE | 969E | SEAFORD | DE |
| 2024-02-29 | 302-637 | ONVOY, LLC - DE | 969E | DELAWARECY | DE |
| 2024-02-29 | 307-442 | ONVOY, LLC - WY | 450F | EVANSTON | WY |
| 2024-02-29 | 326-218 | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | VANDALIA | OH |
| 2024-02-29 | 346-784 | ONVOY, LLC - TX | 903C | SEABROOK | TX |
| 2024-02-29 | 408-304 | T-MOBILE USA, INC. | 6529 | SARATOGA | CA |
| 2024-02-29 | 417-378 | ONVOY SPECTRUM, LLC | 624H | NEOSHO | MO |
| 2024-02-29 | 424-509 | ONVOY, LLC - CA | 649C | INGLEWOOD | CA |
| 2024-02-29 | 557-209 | ONVOY, LLC - MO | 093F | KIRKWOOD | MO |
| 2024-02-29 | 579-974 | Iristel Inc. | 154E | Laval-Ouest | — |
| 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 | 640-259 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | PLEASANTVL | NJ |
| 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 |
| 2024-02-29 | 825-530 | Iristel Inc. | 154E | High River | — |
| 2024-02-29 | 825-531 | Iristel Inc. | 154E | High River | — |
| 2024-02-29 | 848-365 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | METUCHEN | NJ |
| 2024-02-29 | 914-658 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | MOUNTKISCO | NY |
| 2024-02-29 | 938-246 | ONVOY, LLC - AL | 604E | HAZELGREEN | AL |
| 2024-02-29 | 938-247 | ONVOY, LLC - AL | 604E | MADISON | AL |
| 2024-02-29 | 938-248 | ONVOY, LLC - AL | 604E | JACKSONVL | AL |
| 2024-02-28 | 225-531 | ONVOY, LLC - LA | 749E | SPRINGFLD | LA |
| 2024-02-28 | 228-292 | ONVOY, LLC - MS | 719E | VANCLEAVE | MS |
| 2024-02-28 | 234-398 | LEAP TELECOM, LLC | 616J | AKRON | OH |
| 2024-02-28 | 269-446 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | BATTLE CRK | MI |
| 2024-02-28 | 430-324 | TWC IP ENABLED SERVICES, LLC | 793K | ATLANTA | TX |
| 2024-02-28 | 559-886 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORCORAN | CA |
| 2024-02-28 | 571-631 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2024-02-28 | 585-725 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | MEDINA | NY |
| 2024-02-28 | 629-309 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2024-02-28 | 716-516 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | YOUNGSTOWN | NY |
| 2024-02-28 | 870-963 | IP HORIZON LLC | 515J | HELENA | AR |
| 2024-02-28 | 870-964 | IP HORIZON LLC | 515J | JOINER | AR |
| 2024-02-28 | 870-968 | IP HORIZON LLC | 515J | WYNNE | AR |
| 2024-02-28 | 920-957 | T-MOBILE USA, INC. | 6529 | FONDDU LAC | WI |
| 2024-02-27 | 236-203 | Bell West Inc. | 2933 | Vancouver | — |
| 2024-02-27 | 442-438 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VICTORVL | CA |
| 2024-02-27 | 442-439 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | OCSD OCSD | CA |
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.