NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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 |
|---|---|---|---|---|---|
| 2025-07-03 | 681-681 | ONVOY, LLC - WV | 449F | REEDSVILLE | WV |
| 2025-07-03 | 712-812 | HD CARRIER LLC | 321J | SIOUX CITY | IA |
| 2025-07-03 | 859-478 | WAVENATION, LLC | 700J | WINCHESTER | KY |
| 2025-07-02 | 369-233 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LAKEPORT | CA |
| 2025-07-02 | 557-239 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ST LOUIS | MO |
| 2025-07-02 | 572-998 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | OKLA CITY | OK |
| 2025-07-02 | 612-583 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TWINCITIES | MN |
| 2025-07-02 | 686-666 | ONVOY, LLC - VA | 138E | MONTROSS | VA |
| 2025-07-02 | 686-777 | ONVOY, LLC - VA | 138E | KILMARNOCK | VA |
| 2025-07-02 | 686-999 | ONVOY, LLC - VA | 138E | TAPPAHNNCK | VA |
| 2025-07-02 | 914-702 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | MOUNTKISCO | NY |
| 2025-07-02 | 945-391 | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2025-07-02 | 983-219 | WAVENATION, LLC | 700J | DENVER | CO |
| 2025-07-01 | 301-558 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNG236Z13 | MD |
| 2025-07-01 | 339-265 | TC SYSTEMS, INC. | 7135 | LEXINGTON | MA |
| 2025-07-01 | 401-557 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7351 | GREENWICH | RI |
| 2025-07-01 | 725-349 | LEAP TELECOM, LLC | 616J | LAS VEGAS | NV |
| 2025-07-01 | 731-999 | ONVOY, LLC - TN | 525E | DECATURVL | TN |
| 2025-07-01 | 810-372 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | PORT HURON | MI |
| 2025-07-01 | 917-735 | RGTN USA, INC. | 806K | NWYRCYZN04 | NY |
| 2025-06-30 | 220-283 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ATHENS | OH |
| 2025-06-30 | 220-284 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ATHENS | OH |
| 2025-06-30 | 423-969 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | CLEVELAND | TN |
| 2025-06-30 | 464-273 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FOREST | IL |
| 2025-06-30 | 464-274 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FOREST | IL |
| 2025-06-30 | 464-275 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FOREST | IL |
| 2025-06-30 | 686-203 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | RICHMOND | VA |
| 2025-06-30 | 686-204 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RICHMOND | VA |
| 2025-06-30 | 686-205 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RICHMOND | VA |
| 2025-06-30 | 686-206 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RICHMOND | VA |
| 2025-06-30 | 731-531 | ONVOY SPECTRUM, LLC | 624H | CEDARGROVE | TN |
| 2025-06-27 | 205-284 | ONVOY SPECTRUM, LLC | 624H | COLUMBIANA | AL |
| 2025-06-27 | 251-780 | ONVOY SPECTRUM, LLC | 624H | GROVE HILL | AL |
| 2025-06-27 | 272-440 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PITTSTON | PA |
| 2025-06-27 | 272-441 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PITTSTON | PA |
| 2025-06-27 | 302-693 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | DELMAR | DE |
| 2025-06-27 | 364-364 | ONVOY SPECTRUM, LLC | 624H | SEBREE | KY |
| 2025-06-27 | 445-329 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISVL | PA |
| 2025-06-27 | 445-330 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISVL | PA |
| 2025-06-27 | 509-706 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KENNEWICK | WA |
| 2025-06-27 | 640-282 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ATLNTIC CY | NJ |
| 2025-06-27 | 640-284 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ATLNTIC CY | NJ |
| 2025-06-27 | 640-285 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ATLNTIC CY | NJ |
| 2025-06-27 | 659-656 | ONVOY SPECTRUM, LLC | 624H | GARDENDALE | AL |
| 2025-06-27 | 681-575 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV | 6394 | MARTINSBG | WV |
| 2025-06-27 | 770-600 | ONVOY SPECTRUM, LLC | 624H | BUCHANAN | GA |
| 2025-06-27 | 770-610 | ONVOY SPECTRUM, LLC | 624H | WINDER | GA |
| 2025-06-26 | 227-292 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ASHTON236 | MD |
| 2025-06-26 | 302-692 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MILFORD | DE |
| 2025-06-26 | 302-699 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MILFORD | DE |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.