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
Jul 2026
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May 2026
Apr 2026
Mar 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-05-27 | 367-803 | Iristel Inc. | 154E | St-Felicien | — |
| 2024-05-27 | 367-808 | Iristel Inc. | 154E | St-Tite-des-Caps | — |
| 2024-05-27 | 579-965 | Iristel Inc. | 154E | St-Sauveur | — |
| 2024-05-27 | 873-587 | Iristel Inc. | 154E | Tasiujaq | — |
| 2024-05-24 | 364-227 | IP HORIZON LLC | 515J | DAWSON SPG | KY |
| 2024-05-24 | 364-228 | IP HORIZON LLC | 515J | HARTFORD | KY |
| 2024-05-24 | 364-229 | IP HORIZON LLC | 515J | SHARON GRV | KY |
| 2024-05-24 | 367-806 | Iristel Inc. | 154E | Saint-Henri-de-Levis | — |
| 2024-05-24 | 502-300 | IP HORIZON LLC | 515J | FRANKFORT | KY |
| 2024-05-24 | 502-606 | IP HORIZON LLC | 515J | BARDSTOWN | KY |
| 2024-05-24 | 502-770 | IP HORIZON LLC | 515J | TAYLORSVL | KY |
| 2024-05-24 | 606-486 | IP HORIZON LLC | 515J | WHITESBURG | KY |
| 2024-05-24 | 606-489 | IP HORIZON LLC | 515J | CORBIN | KY |
| 2024-05-24 | 762-401 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COLUMBUS | GA |
| 2024-05-24 | 775-547 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CARSON PL | NV |
| 2024-05-24 | 859-464 | IP HORIZON LLC | 515J | WACO | KY |
| 2024-05-24 | 873-703 | Iristel Inc. | 154E | Salluit | — |
| 2024-05-24 | 947-279 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FARMINGTON | MI |
| 2024-05-23 | 227-241 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN10 | MD |
| 2024-05-23 | 234-431 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MANTUA | OH |
| 2024-05-23 | 367-480 | Iristel Inc. | 154E | Sainte-Anne-des-Monts | — |
| 2024-05-23 | 367-515 | Iristel Inc. | 154E | Port-Daniel | — |
| 2024-05-23 | 367-809 | Iristel Inc. | 154E | Port-Cartier | — |
| 2024-05-23 | 386-374 | IP HORIZON LLC | 515J | OAK HILL | FL |
| 2024-05-23 | 386-376 | IP HORIZON LLC | 515J | POMONAPARK | FL |
| 2024-05-23 | 386-379 | IP HORIZON LLC | 515J | FLAGLERBCH | FL |
| 2024-05-23 | 435-328 | T-MOBILE USA, INC. | 6529 | HEBER CITY | UT |
| 2024-05-23 | 531-308 | TWC IP ENABLED SERVICES, LLC | 793K | MALCOLM | NE |
| 2024-05-23 | 727-634 | IP HORIZON LLC | 515J | TARPON SPG | FL |
| 2024-05-23 | 737-389 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | AUSTIN | TX |
| 2024-05-23 | 762-398 | CHARTER IP ENABLED SERVICES, LLC | 792K | CRAWFORDVL | GA |
| 2024-05-23 | 873-571 | Iristel Inc. | 154E | Puvirnituk | — |
| 2024-05-23 | 873-781 | Iristel Inc. | 154E | Plessisville | — |
| 2024-05-23 | 904-331 | IP HORIZON LLC | 515J | GREENCVSPG | FL |
| 2024-05-23 | 904-912 | IP HORIZON LLC | 515J | MAXVILLE | FL |
| 2024-05-23 | 970-637 | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2024-05-22 | 213-827 | T-MOBILE USA, INC. | 6529 | LSAN DA 04 | CA |
| 2024-05-22 | 234-427 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HARLEM SPG | OH |
| 2024-05-22 | 260-364 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LIGONIER | IN |
| 2024-05-22 | 313-741 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN6 | MI |
| 2024-05-22 | 313-750 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | DETROITZN4 | MI |
| 2024-05-22 | 414-396 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | MILWAUKZN1 | WI |
| 2024-05-22 | 458-328 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | SISTERS | OR |
| 2024-05-22 | 505-627 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | 6573 | ALBUQURQUE | NM |
| 2024-05-22 | 530-981 | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2024-05-22 | 628-305 | T-MOBILE USA, INC. | 6529 | SAN RAFAEL | CA |
| 2024-05-22 | 641-287 | ONVOY SPECTRUM, LLC | 624H | PEORIA | IA |
| 2024-05-22 | 641-291 | ONVOY SPECTRUM, LLC | 624H | PLANO | IA |
| 2024-05-22 | 641-294 | ONVOY SPECTRUM, LLC | 624H | RUSSELL | IA |
| 2024-05-22 | 641-299 | ONVOY SPECTRUM, LLC | 624H | SHANNON CY | IA |
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.