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 |
|---|---|---|---|---|---|
| 2024-01-10 | 730-232 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CENTRALIA | IL |
| 2024-01-10 | 730-233 | T-MOBILE USA, INC. | 6529 | MCCLURE | IL |
| 2024-01-10 | 737-775 | ONVOY SPECTRUM, LLC | 624H | GEORGETOWN | TX |
| 2024-01-10 | 771-242 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC |
| 2024-01-10 | 782-554 | Bell Mobility Aliant | 329A | Charlottetown | — |
| 2024-01-10 | 856-598 | COMMIO, LLC | 939H | ELMER | NJ |
| 2024-01-10 | 856-621 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SALEM | NJ |
| 2024-01-10 | 858-394 | FIVE9, INC. | 598J | SNDG LVTA | CA |
| 2024-01-10 | 862-447 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | NEWARK | NJ |
| 2024-01-10 | 879-382 | Bell Mobility Aliant | 329A | St. John's | — |
| 2024-01-09 | 224-557 | COMMIO, LLC | 939H | PALATINE | IL |
| 2024-01-09 | 236-662 | Bell Mobility | 6574 | Vancouver | — |
| 2024-01-09 | 249-627 | Fibernetics Corporation | 464D | Bobcaygeon | — |
| 2024-01-09 | 249-628 | Fibernetics Corporation | 464D | Lindsay | — |
| 2024-01-09 | 249-947 | Fibernetics Corporation | 464D | Huntsville | — |
| 2024-01-09 | 263-993 | TELUS Mobility | 8303 | Montreal | — |
| 2024-01-09 | 272-393 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WILLIAMSPT | PA |
| 2024-01-09 | 316-236 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WICHITA | KS |
| 2024-01-09 | 329-209 | CSC WIRELESS, LLC | 425J | BREWSTER | NY |
| 2024-01-09 | 329-210 | ONVOY, LLC- NY | 384C | KINGSTON | NY |
| 2024-01-09 | 334-719 | ONVOY, LLC - AL | 604E | MONTGOMERY | AL |
| 2024-01-09 | 364-223 | DIALOG TELECOMMUNICATIONS, INC. - KY | 292D | PADUCAH | KY |
| 2024-01-09 | 401-449 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2024-01-09 | 423-908 | COMMIO, LLC | 939H | SURGOINSVL | TN |
| 2024-01-09 | 425-560 | FIVE9, INC. | 598J | KIRKLAND | WA |
| 2024-01-09 | 531-352 | BOOST SUBSCRIBERCO L.L.C. | 490J | OMAHA | NE |
| 2024-01-09 | 548-956 | Fibernetics Corporation | 464D | Galt | — |
| 2024-01-09 | 548-957 | Fibernetics Corporation | 464D | Hespeler | — |
| 2024-01-09 | 548-972 | Fibernetics Corporation | 464D | Clinton | — |
| 2024-01-09 | 564-252 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | BREMERTON | WA |
| 2024-01-09 | 564-253 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | BREMERTON | WA |
| 2024-01-09 | 564-254 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | BREMERTON | WA |
| 2024-01-09 | 564-255 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | BREMERTON | WA |
| 2024-01-09 | 564-256 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | BREMERTON | WA |
| 2024-01-09 | 564-257 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | BREMERTON | WA |
| 2024-01-09 | 582-256 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | REYNOLDSVL | PA |
| 2024-01-09 | 629-305 | COMMIO, LLC | 939H | NASHVILLE | TN |
| 2024-01-09 | 629-306 | COMMIO, LLC | 939H | LEBANON | TN |
| 2024-01-09 | 762-385 | ONVOY, LLC - GA | 067D | COLUMBUS | GA |
| 2024-01-09 | 779-384 | T-MOBILE USA, INC. | 6529 | HARVARD | IL |
| 2024-01-09 | 839-839 | ONVOY SPECTRUM, LLC | 624H | NO AUGUSTA | SC |
| 2024-01-09 | 901-714 | COMMIO, LLC | 939H | COLLIERVL | TN |
| 2024-01-09 | 901-717 | COMMIO, LLC | 939H | MEMPHIS | TN |
| 2024-01-09 | 912-774 | ONVOY, LLC - GA | 067D | SAVANNAH | GA |
| 2024-01-09 | 943-230 | ONVOY, LLC - GA | 067D | ATLANTA | GA |
| 2024-01-09 | 943-231 | ONVOY, LLC - GA | 067D | ATLANTA NW | GA |
| 2024-01-08 | 224-556 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ALGONQUIN | IL |
| 2024-01-08 | 251-469 | ONVOY, LLC - AL | 604E | MOBILE | AL |
| 2024-01-08 | 276-303 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ABINGDON | VA |
| 2024-01-08 | 343-660 | Bell Mobility | 6574 | Ottawa-Hull | — |
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.