NumberResearchRecent prefix assignments
35 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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 951-336 | ONVOY, LLC - CA | 649C | CORONA | CA | |
| 951-348 | ONVOY, LLC - CA | 649C | MURRIETA | CA | |
| 951-356 | ONVOY, LLC - CA | 649C | CORONA | CA | |
| 951-389 | ONVOY, LLC - CA | 649C | HEMT ANZA | CA | |
| 951-400 | ONVOY, LLC - CA | 649C | PERRIS | CA | |
| 951-540 | ONVOY, LLC - CA | 649C | LAKEVIEWNU | CA | |
| 951-651 | ONVOY, LLC - CA | 649C | HEMT SNJC | CA | |
| 951-744 | ONVOY, LLC - CA | 649C | HEMT ANZA | CA | |
| 951-800 | ONVOY, LLC - CA | 649C | WOODCREST | CA | |
| 951-900 | ONVOY, LLC - CA | 649C | RIVERSIDE | CA | |
| 951-987 | ONVOY, LLC - CA | 649C | CORONA | CA | |
| 951-999 | ONVOY, LLC - CA | 649C | MORENO | CA |
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.