NumberResearchRecent prefix assignments
281 prefixes assigned in October 2025 · 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, October 2025
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2025-10-02 | 327-218 | BANDWIDTH.COM CLEC, LLC - AR | 196F | KNOBEL | AR |
| 2025-10-02 | 327-219 | BANDWIDTH.COM CLEC, LLC - AR | 196F | LEONARD | AR |
| 2025-10-02 | 327-220 | BANDWIDTH.COM CLEC, LLC - AR | 196F | MAYNARD | AR |
| 2025-10-02 | 327-221 | BANDWIDTH.COM CLEC, LLC - AR | 196F | PIGGOTT | AR |
| 2025-10-02 | 327-223 | BANDWIDTH.COM CLEC, LLC - AR | 196F | POLLARD | AR |
| 2025-10-02 | 332-302 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN01 | NY |
| 2025-10-02 | 341-263 | ONVOY, LLC - CA | 649C | FRNK MAIN | CA |
| 2025-10-02 | 341-264 | ONVOY, LLC - CA | 649C | OKLD MN-PD | CA |
| 2025-10-02 | 401-570 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PROVIDENCE | RI |
| 2025-10-02 | 414-508 | ONVOY, LLC - WI | 225C | MILWAUKZN1 | WI |
| 2025-10-02 | 445-335 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA |
| 2025-10-02 | 548-529 | Fibernetics Corporation | 464D | Forest | — |
| 2025-10-02 | 582-270 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | REYNOLDSVL | PA |
| 2025-10-02 | 708-230 | ONVOY, LLC | 224C | FOREST | IL |
| 2025-10-02 | 708-939 | ONVOY, LLC | 224C | MAYWOOD | IL |
| 2025-10-02 | 747-383 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA |
| 2025-10-02 | 754-352 | ONVOY, LLC - FL | 937C | DEERFLDBCH | FL |
| 2025-10-02 | 765-850 | ONVOY, LLC - IN | 097D | YORKTOWN | IN |
| 2025-10-02 | 820-243 | ONVOY, LLC - CA | 649C | CAMARILLO | CA |
| 2025-10-02 | 835-276 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ALLENTOWN | PA |
| 2025-10-02 | 872-389 | ONVOY, LLC | 224C | CHICGOZN04 | IL |
| 2025-10-02 | 943-297 | POWERTEL ATLANTA LICENSES, INC. | 7473 | CEDARTOWN | GA |
| 2025-10-02 | 951-803 | T-MOBILE USA, INC. | 6529 | PERRIS | CA |
| 2025-10-01 | 220-286 | AERIAL COMMUNICATIONS, INC. | 6701 | ATHENS | OH |
| 2025-10-01 | 228-446 | BANDWIDTH.COM CLEC, LLC - MS | 992E | BILOXI | MS |
| 2025-10-01 | 520-802 | LEAP TELECOM, LLC | 616J | TUCSON | AZ |
| 2025-10-01 | 602-901 | LEAP TELECOM, LLC | 616J | PHOENIX | AZ |
| 2025-10-01 | 737-426 | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2025-10-01 | 808-991 | T-MOBILE USA, INC. | 6529 | HILO | HI |
| 2025-10-01 | 863-394 | IP HORIZON LLC | 515J | LAKELAND | FL |
| 2025-10-01 | 878-297 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WASHINGTON | PA |
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.