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
Jul 2026
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May 2026
Apr 2026
Mar 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 707-271 | ONVOY, LLC - CA | 649C | POINTARENA | CA | |
| 707-286 | ONVOY, LLC - CA | 649C | ST HELENA | CA | |
| 707-289 | ONVOY, LLC - CA | 649C | KELSEYVL | CA | |
| 707-300 | ONVOY, LLC - CA | 649C | BOONVILLE | CA | |
| 707-307 | ONVOY, LLC - CA | 649C | NAPA | CA | |
| 707-324 | ONVOY, LLC - CA | 649C | SANTA ROSA | CA | |
| 707-343 | ONVOY, LLC - CA | 649C | SONOMA | CA | |
| 707-348 | ONVOY, LLC - CA | 649C | UPPER LAKE | CA | |
| 707-356 | ONVOY, LLC - CA | 649C | ELK | CA | |
| 707-359 | ONVOY, LLC - CA | 649C | VACAVILLE | CA | |
| 707-360 | ONVOY, LLC - CA | 649C | SANTA ROSA | CA | |
| 707-361 | ONVOY, LLC - CA | 649C | BENICIA | CA | |
| 707-370 | ONVOY, LLC - CA | 649C | WILLITS | CA | |
| 707-376 | ONVOY, LLC - CA | 649C | UKIAH | CA | |
| 707-377 | ONVOY, LLC - CA | 649C | BODEGA BAY | CA | |
| 707-383 | ONVOY, LLC - CA | 649C | GARBERVL | CA | |
| 707-394 | ONVOY, LLC - CA | 649C | GUERNEVL | CA | |
| 707-397 | ONVOY, LLC - CA | 649C | MENDOCINO | CA | |
| 707-401 | ONVOY, LLC - CA | 649C | CAZADERO | CA | |
| 707-402 | ONVOY, LLC - CA | 649C | FRFLD-SUIS | CA | |
| 707-406 | ONVOY, LLC - CA | 649C | ELK | CA | |
| 707-414 | ONVOY, LLC - CA | 649C | LAYTONVL | CA | |
| 707-418 | ONVOY, LLC - CA | 649C | LKBERRYESS | CA | |
| 707-419 | ONVOY, LLC - CA | 649C | FRFLD-SUIS | CA | |
| 707-440 | ONVOY, LLC - CA | 649C | EUREKA | CA | |
| 707-466 | ONVOY, LLC - CA | 649C | UKIAH | CA | |
| 707-470 | ONVOY, LLC - CA | 649C | VACAVILLE | CA | |
| 707-471 | ONVOY, LLC - CA | 649C | VACAVILLE | CA | |
| 707-475 | ONVOY, LLC - CA | 649C | MAD RIVER | CA | |
| 707-505 | ONVOY, LLC - CA | 649C | PIERCY | CA | |
| 707-512 | ONVOY, LLC - CA | 649C | ST HELENA | CA | |
| 707-518 | ONVOY, LLC - CA | 649C | WILLITS | CA | |
| 707-520 | ONVOY, LLC - CA | 649C | MONTE RIO | CA | |
| 707-581 | ONVOY, LLC - CA | 649C | SANTA ROSA | CA | |
| 707-587 | ONVOY, LLC - CA | 649C | KELSEYVL | CA | |
| 707-589 | ONVOY, LLC - CA | 649C | BODEGA BAY | CA | |
| 707-593 | ONVOY, LLC - CA | 649C | MENDOCINO | CA | |
| 707-597 | ONVOY, LLC - CA | 649C | LKBERRYESS | CA | |
| 707-602 | ONVOY, LLC - CA | 649C | MIRANDA | CA | |
| 707-609 | ONVOY, LLC - CA | 649C | BODEGA BAY | CA | |
| 707-614 | ONVOY, LLC - CA | 649C | FORESTVL | CA | |
| 707-619 | ONVOY, LLC - CA | 649C | GEYSERVL | CA | |
| 707-622 | ONVOY, LLC - CA | 649C | TMCV SERN | CA | |
| 707-627 | ONVOY, LLC - CA | 649C | LAKEPORT | CA | |
| 707-633 | ONVOY, LLC - CA | 649C | ARCATA | CA | |
| 707-634 | ONVOY, LLC - CA | 649C | SEBASTOPOL | CA | |
| 707-635 | ONVOY, LLC - CA | 649C | DIXON | CA | |
| 707-638 | ONVOY, LLC - CA | 649C | VALLEJO | CA | |
| 707-650 | ONVOY, LLC - CA | 649C | PEPPERWOOD | CA | |
| 707-657 | ONVOY, LLC - CA | 649C | WINDSOR | 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.