NumberResearchRecent prefix assignments
5 prefixes assigned in May 2026 · 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, May 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-05-29 | 956-817 | ONVOY, LLC - TX | 903C | LAREDO | TX |
| 2026-05-20 | 682-496 | ONVOY, LLC - TX | 903C | CLEBURNE | TX |
| 2026-05-20 | 940-413 | ONVOY, LLC - TX | 903C | DENTON | TX |
| 2026-05-20 | 945-439 | ONVOY, LLC - TX | 903C | FRISCO | TX |
| 2026-05-20 | 945-441 | ONVOY, LLC - TX | 903C | GRANDPRARI | TX |
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.