NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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 |
|---|---|---|---|---|---|
| 2025-01-03 | 580-570 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DURANT | OK |
| 2025-01-03 | 620-612 | ONVOY SPECTRUM, LLC | 624H | GARDENCITY | KS |
| 2025-01-03 | 620-661 | ONVOY SPECTRUM, LLC | 624H | CHANUTE | KS |
| 2025-01-03 | 620-676 | ONVOY SPECTRUM, LLC | 624H | LIBERAL | KS |
| 2025-01-03 | 657-780 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2025-01-03 | 682-476 | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7148 | FORT WORTH | TX |
| 2025-01-03 | 730-733 | ONVOY SPECTRUM, LLC | 624H | PITTSBURG | IL |
| 2025-01-03 | 730-737 | ONVOY SPECTRUM, LLC | 624H | CHESTERBDG | IL |
| 2025-01-03 | 730-773 | ONVOY SPECTRUM, LLC | 624H | KEYESPORT | IL |
| 2025-01-03 | 763-216 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | 5816 | TWINCITIES | MN |
| 2025-01-03 | 816-978 | ONVOY SPECTRUM, LLC | 624H | KIDDER | MO |
| 2025-01-03 | 929-803 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN09 | NY |
| 2025-01-02 | 341-261 | ONVOY SPECTRUM, LLC | 624H | FRNK GRNLF | CA |
| 2025-01-02 | 350-237 | ONVOY SPECTRUM, LLC | 624H | PATTERSON | CA |
| 2025-01-02 | 369-227 | ONVOY SPECTRUM, LLC | 624H | EUREKA | CA |
| 2025-01-02 | 369-228 | ONVOY SPECTRUM, LLC | 624H | POINTARENA | CA |
| 2025-01-02 | 559-937 | ONVOY SPECTRUM, LLC | 624H | REEDLEY | CA |
| 2025-01-02 | 818-417 | ONVOY SPECTRUM, LLC | 624H | SNFN GRHL | CA |
| 2025-01-02 | 840-269 | ONVOY SPECTRUM, LLC | 624H | ONTARIO | CA |
| 2025-01-02 | 947-285 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | BIRMINGHAM | MI |
| 2024-12-31 | 365-352 | Fibernetics Corporation | 464D | Brooklin | — |
| 2024-12-31 | 365-409 | Fibernetics Corporation | 464D | Newcastle | — |
| 2024-12-31 | 734-885 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | LIVONIA | MI |
| 2024-12-31 | 929-802 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN13 | NY |
| 2024-12-30 | 206-845 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SEATTLE | WA |
| 2024-12-30 | 248-300 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROYAL OAK | MI |
| 2024-12-30 | 337-712 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SULPHUR | LA |
| 2024-12-30 | 447-304 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DANVILLE | IL |
| 2024-12-30 | 479-533 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BENTONVL | AR |
| 2024-12-30 | 501-573 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CABOT | AR |
| 2024-12-30 | 548-401 | Fibernetics Corporation | 464D | Breslau | — |
| 2024-12-30 | 548-402 | Fibernetics Corporation | 464D | Elmira | — |
| 2024-12-30 | 548-403 | Fibernetics Corporation | 464D | Preston | — |
| 2024-12-30 | 557-230 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SAPPINGTON | MO |
| 2024-12-30 | 559-932 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISALIA | CA |
| 2024-12-30 | 585-791 | ONVOY SPECTRUM, LLC | 624H | HENRIETTA | NY |
| 2024-12-30 | 669-361 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SARATOGA | CA |
| 2024-12-30 | 680-324 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | FULTON | NY |
| 2024-12-30 | 810-332 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FLINT | MI |
| 2024-12-30 | 820-238 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CAMARILLO | CA |
| 2024-12-30 | 831-327 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HOLLISTER | CA |
| 2024-12-27 | 215-217 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN2 | PA |
| 2024-12-27 | 219-408 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HAMMOND | IN |
| 2024-12-27 | 235-203 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRAVOIS ML | MO |
| 2024-12-27 | 260-372 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FORT WAYNE | IN |
| 2024-12-27 | 343-626 | Cogeco Connexion Inc. | 221K | Brockville | — |
| 2024-12-27 | 367-218 | Cogeco Connexion Inc. | 221K | Saint-Georges-de-Beauce | — |
| 2024-12-27 | 367-220 | Cogeco Connexion Inc. | 221K | Baie-Comeau | — |
| 2024-12-27 | 367-450 | Cogeco Connexion Inc. | 221K | Forestville | — |
| 2024-12-27 | 445-318 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN4 | PA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.