NumberResearchRecent prefix assignments
37 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
Jun 2026
May 2026
Apr 2026
Mar 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 310-361 | ONVOY, LLC - CA | 649C | CMTN CMTN | CA | |
| 310-362 | ONVOY, LLC - CA | 649C | BEVERLYHLS | CA | |
| 310-388 | ONVOY, LLC - CA | 649C | BEVERLYHLS | CA | |
| 310-496 | ONVOY, LLC - CA | 649C | SNMN SNMN | CA | |
| 310-564 | ONVOY, LLC - CA | 649C | SNMN SNMN | CA | |
| 310-742 | ONVOY, LLC - CA | 649C | CMTN CMTN | CA | |
| 310-807 | ONVOY, LLC - CA | 649C | CMTN GRDN | CA | |
| 310-861 | ONVOY, LLC - CA | 649C | BEVERLYHLS | CA | |
| 310-868 | ONVOY, LLC - CA | 649C | CMTN CMTN | CA | |
| 310-919 | ONVOY, LLC - CA | 649C | MALIBU | CA | |
| 310-943 | ONVOY, LLC - CA | 649C | W ANGELES | CA | |
| 323-375 | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA | |
| 323-417 | ONVOY, LLC - CA | 649C | LSAN DA 06 | CA | |
| 323-433 | ONVOY, LLC - CA | 649C | LSAN DA 13 | CA | |
| 323-471 | ONVOY, LLC - CA | 649C | LSAN DA 14 | CA | |
| 323-576 | ONVOY, LLC - CA | 649C | LSAN DA 04 | CA | |
| 323-639 | ONVOY, LLC - CA | 649C | LSAN DA 11 | CA | |
| 323-645 | ONVOY, LLC - CA | 649C | LSAN DA 14 | CA | |
| 323-675 | ONVOY, LLC - CA | 649C | LSAN DA 03 | CA | |
| 323-677 | ONVOY, LLC - CA | 649C | LSAN DA 13 | CA | |
| 323-679 | ONVOY, LLC - CA | 649C | LSAN DA 09 | CA | |
| 323-693 | ONVOY, LLC - CA | 649C | MONTEBELLO | CA | |
| 323-784 | ONVOY, LLC - CA | 649C | LSAN DA 13 | CA | |
| 323-792 | ONVOY, LLC - CA | 649C | LSAN DA 12 | CA | |
| 323-800 | ONVOY, LLC - CA | 649C | LSAN DA 05 | CA | |
| 323-843 | ONVOY, LLC - CA | 649C | LSAN DA 05 | CA | |
| 323-922 | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA | |
| 323-927 | ONVOY, LLC - CA | 649C | LSAN DA 11 | CA | |
| 341-895 | ONVOY, LLC - CA | 649C | OKLD ALMD | CA | |
| 408-317 | ONVOY, LLC - CA | 649C | LOS GATOS | CA | |
| 408-351 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-413 | ONVOY, LLC - CA | 649C | GILROY | CA | |
| 408-444 | ONVOY, LLC - CA | 649C | SNJS NORTH | CA | |
| 408-516 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-521 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-538 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-539 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-547 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-549 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-608 | ONVOY, LLC - CA | 649C | CAMPBELL | CA | |
| 408-618 | ONVOY, LLC - CA | 649C | SNJS NORTH | CA | |
| 408-650 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-668 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-676 | ONVOY, LLC - CA | 649C | SAN MARTIN | CA | |
| 408-692 | ONVOY, LLC - CA | 649C | SAN MARTIN | CA | |
| 408-715 | ONVOY, LLC - CA | 649C | SNJS NORTH | CA | |
| 408-716 | ONVOY, LLC - CA | 649C | SUNNYVALE | CA | |
| 408-755 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-758 | ONVOY, LLC - CA | 649C | SNJS WEST | CA | |
| 408-762 | ONVOY, LLC - CA | 649C | MORGANHILL | 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.