NumberResearchRecent prefix assignments
359 prefixes assigned in December 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, December 2025
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2025-12-03 | 986-302 | T-MOBILE USA, INC. | 6529 | TWIN FALLS | ID |
| 2025-12-02 | 228-389 | WAVENATION, LLC | 700J | BILOXI | MS |
| 2025-12-02 | 329-241 | CSC VOICE, LLC | 612K | POUGHKEPSI | NY |
| 2025-12-02 | 743-288 | BOOST SUBSCRIBERCO L.L.C. | 490J | EAST BEND | NC |
| 2025-12-02 | 769-363 | WAVENATION, LLC | 700J | JACKSON | MS |
| 2025-12-01 | 365-478 | Iristel Inc. | 154E | Markham | — |
| 2025-12-01 | 365-479 | Iristel Inc. | 154E | Markham | — |
| 2025-12-01 | 365-486 | Iristel Inc. | 154E | Markham | — |
| 2025-12-01 | 365-487 | Iristel Inc. | 154E | Markham | — |
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.