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
2023-09-19 747-323 ONVOY, LLC - CA 649C CANOGAPARK CA
2023-09-19 747-335 ONVOY, LLC - CA 649C RESEDA CA
2023-09-19 747-337 ONVOY, LLC - CA 649C NO HOLLYWD CA
2023-09-19 747-339 ONVOY, LLC - CA 649C SNFN SNFN CA
2023-09-19 840-236 ONVOY, LLC - CA 649C CLAREMONT CA
2023-09-19 840-237 ONVOY, LLC - CA 649C ONTARIO CA
2023-08-17 213-329 ONVOY, LLC - CA 649C LSAN DA 09 CA
2023-08-17 213-449 ONVOY, LLC - CA 649C LSAN DA 05 CA
2023-08-17 213-579 ONVOY, LLC - CA 649C LSAN DA 03 CA
2023-08-17 213-695 ONVOY, LLC - CA 649C LSAN DA 14 CA
2023-08-17 279-240 ONVOY, LLC - CA 649C ELK GROVE CA
2023-08-17 341-237 ONVOY, LLC - CA 649C OKLD BKLY CA
2023-08-17 341-238 ONVOY, LLC - CA 649C OKLD FRTVL CA
2023-08-17 424-495 ONVOY, LLC - CA 649C LOMITA CA
2023-08-17 424-496 ONVOY, LLC - CA 649C CMTN CMTN CA
2023-08-16 626-706 ONVOY, LLC - CA 649C MONROVIA CA
2023-08-16 949-782 ONVOY, LLC - CA 649C LAGUNA BCH CA
2023-08-16 949-785 ONVOY, LLC - CA 649C TRABUCO CA
2023-08-16 951-647 ONVOY, LLC - CA 649C MORENO CA
2023-08-11 562-545 ONVOY, LLC - CA 649C DOWNEY CA
2023-08-11 562-589 ONVOY, LLC - CA 649C LA HABRA CA
2023-08-11 626-648 ONVOY, LLC - CA 649C PSDN PSDN CA
2023-08-11 626-649 ONVOY, LLC - CA 649C ALHAMBRA CA
2023-08-11 657-680 ONVOY, LLC - CA 649C SANTA ANA CA
2023-08-11 747-310 ONVOY, LLC - CA 649C GLENDALE CA
2023-08-10 562-585 ONVOY, LLC - CA 649C LONG BEACH CA
2023-06-27 209-515 ONVOY, LLC - CA 649C SUTTER CRK CA
2023-06-27 661-517 ONVOY, LLC - CA 649C SNCA SGCC CA
2023-06-27 661-751 ONVOY, LLC - CA 649C BKFD SOUTH CA
2023-06-26 310-304 ONVOY, LLC - CA 649C LOMITA CA
2023-06-26 310-708 ONVOY, LLC - CA 649C MALIBU CA
2023-06-26 310-758 ONVOY, LLC - CA 649C SAN PEDRO CA
2023-06-26 310-759 ONVOY, LLC - CA 649C HAWTHORNE CA
2023-06-26 424-492 ONVOY, LLC - CA 649C TORRANCE CA
2023-06-26 530-201 ONVOY, LLC - CA 649C REDDING CA
2023-06-26 562-312 ONVOY, LLC - CA 649C ALAMITOS CA
2023-06-26 562-687 ONVOY, LLC - CA 649C WHITTIER CA
2023-06-26 562-703 ONVOY, LLC - CA 649C PICORIVERA CA
2023-06-26 650-774 ONVOY, LLC - CA 649C LOS ALTOS CA
2023-06-22 209-393 ONVOY, LLC - CA 649C SNRA JUNO CA
2023-06-22 279-238 ONVOY, LLC - CA 649C SCRM MAIN CA
2023-06-22 279-239 ONVOY, LLC - CA 649C FOLSOM CA
2023-06-22 442-410 ONVOY, LLC - CA 649C KERNVILLE CA
2023-06-22 805-831 ONVOY, LLC - CA 649C MORRO BAY CA
2023-06-22 951-636 ONVOY, LLC - CA 649C CORONA CA
2023-06-21 350-210 ONVOY, LLC - CA 649C TUOLUMNE CA
2023-05-31 669-330 ONVOY, LLC - CA 649C SNJS WEST CA
2023-05-31 669-334 ONVOY, LLC - CA 649C SNJS SOUTH CA
2023-05-19 279-237 ONVOY, LLC - CA 649C SCRM MAIN CA
2023-05-19 951-631 ONVOY, LLC - CA 649C RIVERSIDE 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.