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 |
|---|---|---|---|---|---|
| 2024-02-15 | 606-458 | TWILIO INTERNATIONAL, INC. | 506J | GRAYSON | KY |
| 2024-02-15 | 726-242 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SANANTONIO | TX |
| 2024-02-15 | 737-376 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | AUSTIN | TX |
| 2024-02-15 | 810-349 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | CLIMTMORRS | MI |
| 2024-02-15 | 862-453 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | SUCCASUNNA | NJ |
| 2024-02-15 | 983-203 | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2024-02-14 | 213-796 | T-MOBILE USA, INC. | 6529 | LSAN DA 04 | CA |
| 2024-02-14 | 310-757 | T-MOBILE USA, INC. | 6529 | CMTN CMTN | CA |
| 2024-02-14 | 415-718 | T-MOBILE USA, INC. | 6529 | SNFC CNTRL | CA |
| 2024-02-14 | 442-436 | T-MOBILE USA, INC. | 6529 | BRAWLEY | CA |
| 2024-02-14 | 505-616 | ONVOY, LLC - NM | 206F | ALBUQURQUE | NM |
| 2024-02-14 | 531-359 | ALLO COMMUNICATIONS LLC | 907K | OMAHA | NE |
| 2024-02-14 | 531-360 | ONVOY, LLC - NE | 549E | ALBION | NE |
| 2024-02-14 | 534-230 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | RHINELANDR | WI |
| 2024-02-14 | 567-567 | ONVOY SPECTRUM, LLC | 624H | OAKWOOD | OH |
| 2024-02-14 | 608-910 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | MADISON | WI |
| 2024-02-14 | 609-596 | ONVOY, LLC - NJ | 637C | FLORENCE | NJ |
| 2024-02-14 | 620-261 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EMPORIA | KS |
| 2024-02-14 | 640-258 | ONVOY, LLC - NJ | 637C | LAWRENCEVL | NJ |
| 2024-02-14 | 701-855 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND | 6568 | DEVILSLAKE | ND |
| 2024-02-14 | 747-352 | T-MOBILE USA, INC. | 6529 | NORTHRIDGE | CA |
| 2024-02-14 | 769-329 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | VICKSBURG | MS |
| 2024-02-14 | 801-385 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2024-02-14 | 804-910 | ONVOY, LLC - VA | 138E | RICHMOND | VA |
| 2024-02-14 | 835-240 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BETHLEHEM | PA |
| 2024-02-14 | 835-241 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ALLENTOWN | PA |
| 2024-02-13 | 364-224 | EON TELECOM, INC. | 839J | GLASGOW | KY |
| 2024-02-13 | 365-396 | Iristel Inc. | 154E | Ajax-Pickering | — |
| 2024-02-13 | 365-397 | Iristel Inc. | 154E | Ajax-Pickering | — |
| 2024-02-13 | 385-568 | ONVOY, LLC - UT | 871E | KAYSVILLE | UT |
| 2024-02-13 | 385-570 | ONVOY, LLC - UT | 871E | MIDVALE | UT |
| 2024-02-13 | 502-761 | EON TELECOM, INC. | 839J | LOUISVILLE | KY |
| 2024-02-13 | 502-787 | EON TELECOM, INC. | 839J | NEW HAVEN | KY |
| 2024-02-13 | 502-796 | EON TELECOM, INC. | 839J | GEORGETOWN | KY |
| 2024-02-13 | 502-798 | EON TELECOM, INC. | 839J | MILTON | KY |
| 2024-02-13 | 502-824 | EON TELECOM, INC. | 839J | PORT ROYAL | KY |
| 2024-02-13 | 656-234 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | TAMPACEN | FL |
| 2024-02-13 | 720-303 | BANDWIDTH.COM CLEC, LLC - CO | 078F | DENVER | CO |
| 2024-02-13 | 943-232 | BANDWIDTH.COM CLEC, LLC - GA | 983E | ATLANTA | GA |
| 2024-02-12 | 251-477 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MOBILE | AL |
| 2024-02-12 | 251-481 | COMMIO, LLC | 939H | MOBILE | AL |
| 2024-02-12 | 270-270 | COMMIO, LLC | 939H | SO HARDIN | KY |
| 2024-02-12 | 320-600 | ONVOY SPECTRUM, LLC | 624H | COLDSPRING | MN |
| 2024-02-12 | 320-850 | ONVOY SPECTRUM, LLC | 624H | FOLEY | MN |
| 2024-02-12 | 380-270 | ONVOY, LLC - OH | 464C | GROVE CITY | OH |
| 2024-02-12 | 380-271 | ONVOY, LLC - OH | 464C | WORTHINGTN | OH |
| 2024-02-12 | 382-347 | Quadro Communications Co-operative Inc. | 004G | Monkton | — |
| 2024-02-12 | 385-569 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | AMERCNFORK | UT |
| 2024-02-12 | 463-298 | ONVOY, LLC - IN | 097D | INDIANAPLS | IN |
| 2024-02-12 | 464-237 | EON TELECOM, INC. | 839J | HARVEY | IL |
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.