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
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 |
|---|---|---|---|---|---|
| 2024-02-20 | 805-533 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CAMARILLO | CA |
| 2024-02-20 | 805-923 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | NEWBURYPRK | CA |
| 2024-02-20 | 845-685 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MAHOPAC | NY |
| 2024-02-20 | 854-259 | ONVOY, LLC - SC | 548E | NMYRTLEBCH | SC |
| 2024-02-20 | 858-402 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LA JOLLA | CA |
| 2024-02-20 | 870-961 | ONVOY SPECTRUM, LLC | 624H | ROSSTON | AR |
| 2024-02-20 | 870-996 | ONVOY SPECTRUM, LLC | 624H | BLEVINS | AR |
| 2024-02-20 | 872-374 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | CHICGOZN02 | IL |
| 2024-02-20 | 929-745 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN06 | NY |
| 2024-02-20 | 937-326 | T-MOBILE USA, INC. | 6529 | MSBGWCRLTN | OH |
| 2024-02-20 | 937-983 | T-MOBILE USA, INC. | 6529 | TIPP CITY | OH |
| 2024-02-20 | 943-235 | POWERTEL ATLANTA LICENSES, INC. | 7473 | CEDARTOWN | GA |
| 2024-02-20 | 947-273 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | AUBURN HTS | MI |
| 2024-02-20 | 949-663 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LAGUNA BCH | CA |
| 2024-02-19 | 445-296 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SOUDERTON | PA |
| 2024-02-19 | 534-534 | ONVOY, LLC - WI | 225C | WEBSTER | WI |
| 2024-02-19 | 582-258 | ONVOY, LLC - PA | 547E | NORTH EAST | PA |
| 2024-02-19 | 615-659 | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | FRANKLIN | TN |
| 2024-02-19 | 715-715 | ONVOY, LLC - WI | 225C | RHINELANDR | WI |
| 2024-02-16 | 346-781 | BANDWIDTH.COM CLEC, LLC - TX | 004F | HOUSTON | TX |
| 2024-02-16 | 364-225 | POWERTEL NASHVILLE LICENSES, INC. | 7476 | OAK GROVE | KY |
| 2024-02-16 | 409-328 | TWILIO INTERNATIONAL, INC. | 506J | HTCHCCKSNF | TX |
| 2024-02-16 | 447-286 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHARLESTON | IL |
| 2024-02-16 | 464-565 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MAYWOOD | IL |
| 2024-02-16 | 501-564 | IP HORIZON LLC | 515J | SYVNHLSHWD | AR |
| 2024-02-16 | 502-884 | POWERTEL KENTUCKY LICENSES, INC. | 365C | ZONETON | KY |
| 2024-02-16 | 520-728 | T-MOBILE USA, INC. | 6529 | CASAGRANDE | AZ |
| 2024-02-16 | 551-390 | ONVOY, LLC - NJ | 637C | PARK RIDGE | NJ |
| 2024-02-16 | 564-258 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA |
| 2024-02-16 | 571-381 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2024-02-16 | 636-380 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | TROY | MO |
| 2024-02-16 | 640-256 | ONVOY, LLC - NJ | 637C | PEMBERTON | NJ |
| 2024-02-16 | 640-257 | ONVOY, LLC - NJ | 637C | TUCKERTON | NJ |
| 2024-02-16 | 681-523 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV |
| 2024-02-16 | 689-326 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | ORLANDO | FL |
| 2024-02-16 | 743-272 | ONVOY, LLC - NC | 638E | KING | NC |
| 2024-02-16 | 808-420 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HONOLULU | HI |
| 2024-02-16 | 810-351 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | FENTON | MI |
| 2024-02-16 | 810-352 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | LINDEN | MI |
| 2024-02-16 | 848-357 | ONVOY, LLC - NJ | 637C | JAMESBURG | NJ |
| 2024-02-16 | 859-450 | POWERTEL KENTUCKY LICENSES, INC. | 365C | CYNTHIANA | KY |
| 2024-02-16 | 870-989 | IP HORIZON LLC | 515J | BLACK ROCK | AR |
| 2024-02-16 | 872-359 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN10 | IL |
| 2024-02-16 | 906-318 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | ESCANABA | MI |
| 2024-02-16 | 928-531 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PRESCOTT | AZ |
| 2024-02-16 | 947-271 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | HOLLY | MI |
| 2024-02-15 | 269-440 | MCC TELEPHONY LLC | 593K | KALAMAZOO | MI |
| 2024-02-15 | 319-485 | PAETEC ITEL, LLC | 829J | IOWA CITY | IA |
| 2024-02-15 | 458-318 | COMMIO, LLC | 939H | HERMISTON | OR |
| 2024-02-15 | 585-717 | ONVOY, LLC- NY | 384C | HONEOYEFLS | NY |
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.