NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

35 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
ONVOY, LLC - CA 35
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2024-01-24 747-351 ONVOY, LLC - CA 649C GLENDALE CA
2024-01-10 213-774 ONVOY, LLC - CA 649C LSAN DA 10 CA
2023-12-08 213-762 ONVOY, LLC - CA 649C LSAN DA 02 CA
2023-12-08 213-767 ONVOY, LLC - CA 649C LSAN DA 04 CA
2023-12-07 562-721 ONVOY, LLC - CA 649C LONG BEACH CA
2023-10-16 209-709 ONVOY, LLC - CA 649C STOCKTON CA
2023-10-16 628-338 ONVOY, LLC - CA 649C SNFC MT-EV CA
2023-10-16 840-284 ONVOY, LLC - CA 649C CHINO CA
2023-10-16 951-761 ONVOY, LLC - CA 649C BANNING CA
2023-10-04 209-654 ONVOY, LLC - CA 649C TRACY CA
2023-10-04 442-419 ONVOY, LLC - CA 649C VICTORVL CA
2023-10-04 442-428 ONVOY, LLC - CA 649C VTVL HSPR CA
2023-10-04 559-874 ONVOY, LLC - CA 649C CLOVIS CA
2023-10-04 559-879 ONVOY, LLC - CA 649C VISALIA CA
2023-10-04 562-709 ONVOY, LLC - CA 649C NORWALK CA
2023-10-04 657-704 ONVOY, LLC - CA 649C HUNTITNBCH CA
2023-10-02 213-753 ONVOY, LLC - CA 649C LSAN DA 10 CA
2023-10-02 213-754 ONVOY, LLC - CA 649C LSAN DA 11 CA
2023-10-02 369-210 ONVOY, LLC - CA 649C SANTA ROSA CA
2023-10-02 424-498 ONVOY, LLC - CA 649C HAWTHORNE CA
2023-10-02 628-296 ONVOY, LLC - CA 649C SNFC MT-EV CA
2023-10-02 657-701 ONVOY, LLC - CA 649C GARDEN GRV CA
2023-10-02 747-340 ONVOY, LLC - CA 649C AGOURA CA
2023-10-02 747-341 ONVOY, LLC - CA 649C BRBN BRBN CA
2023-10-02 747-343 ONVOY, LLC - CA 649C RESEDA CA
2023-10-02 805-362 ONVOY, LLC - CA 649C SIMIVALLEY CA
2023-10-02 840-239 ONVOY, LLC - CA 649C FONTANA CA
2023-10-02 840-241 ONVOY, LLC - CA 649C RIALTO CA
2023-10-02 840-242 ONVOY, LLC - CA 649C UPLAND CA
2023-10-02 858-387 ONVOY, LLC - CA 649C LA MESA CA
2023-10-02 925-419 ONVOY, LLC - CA 649C CONCORD CA
2023-10-02 925-491 ONVOY, LLC - CA 649C ANTIOCH CA
2023-10-02 925-512 ONVOY, LLC - CA 649C WALNUT CRK CA
2023-10-02 949-802 ONVOY, LLC - CA 649C SADLBK VLY CA
2023-10-02 951-669 ONVOY, LLC - CA 649C HEMT HEMT CA
2023-09-28 213-752 ONVOY, LLC - CA 649C LSAN DA 13 CA
2023-09-20 213-720 ONVOY, LLC - CA 649C LSAN DA 06 CA
2023-09-19 213-698 ONVOY, LLC - CA 649C LSAN DA 06 CA
2023-09-19 213-715 ONVOY, LLC - CA 649C LSAN DA 13 CA
2023-09-19 213-719 ONVOY, LLC - CA 649C MONTEBELLO CA
2023-09-19 279-242 ONVOY, LLC - CA 649C SCRM NORTH CA
2023-09-19 279-243 ONVOY, LLC - CA 649C RSVL MAIN CA
2023-09-19 279-244 ONVOY, LLC - CA 649C SO PLACER CA
2023-09-19 341-239 ONVOY, LLC - CA 649C OKLD ALMD CA
2023-09-19 408-302 ONVOY, LLC - CA 649C SNJS WEST CA
2023-09-19 408-403 ONVOY, LLC - CA 649C SNJS SOUTH CA
2023-09-19 408-443 ONVOY, LLC - CA 649C GILROY CA
2023-09-19 424-490 ONVOY, LLC - CA 649C SNMN SNMN CA
2023-09-19 628-295 ONVOY, LLC - CA 649C SAN RAFAEL CA
2023-09-19 657-663 ONVOY, LLC - CA 649C BUENA PARK 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.