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
657-800 ONVOY, LLC - CA 649C GARDEN GRV CA
661-215 ONVOY, LLC - CA 649C BKFD NORTH CA
661-228 ONVOY, LLC - CA 649C HI VISTA CA
661-244 ONVOY, LLC - CA 649C SNCA NHCS CA
661-371 ONVOY, LLC - CA 649C BKFD MAIN CA
661-378 ONVOY, LLC - CA 649C BKFD MAIN CA
661-384 ONVOY, LLC - CA 649C BKFD MAIN CA
661-443 ONVOY, LLC - CA 649C WALKERBSIN CA
661-449 ONVOY, LLC - CA 649C PLDL PLDL CA
661-451 ONVOY, LLC - CA 649C ARVIN CA
661-459 ONVOY, LLC - CA 649C SHAFTER CA
661-462 ONVOY, LLC - CA 649C BIG BUTTE CA
661-463 ONVOY, LLC - CA 649C HI VISTA CA
661-464 ONVOY, LLC - CA 649C LAKEHUGHES CA
661-466 ONVOY, LLC - CA 649C LANCASTER CA
661-467 ONVOY, LLC - CA 649C SNCA SGCC CA
661-475 ONVOY, LLC - CA 649C EDWARDS CA
661-495 ONVOY, LLC - CA 649C SNCA NHCS CA
661-529 ONVOY, LLC - CA 649C BKFD SOUTH CA
661-542 ONVOY, LLC - CA 649C SNCA SGCC CA
661-551 ONVOY, LLC - CA 649C BERENDMESA CA
661-554 ONVOY, LLC - CA 649C SNCA NHCS CA
661-558 ONVOY, LLC - CA 649C BKFD MAIN CA
661-666 ONVOY, LLC - CA 649C SNCA NHCS CA
661-760 ONVOY, LLC - CA 649C BUTTONWLLW CA
661-761 ONVOY, LLC - CA 649C MCKITTRICK CA
661-780 ONVOY, LLC - CA 649C PLDL LNVY CA
661-793 ONVOY, LLC - CA 649C PLDL LNVY CA
661-843 ONVOY, LLC - CA 649C BKFD MAIN CA
661-846 ONVOY, LLC - CA 649C BKFD MAIN CA
661-885 ONVOY, LLC - CA 649C BKFD SOUTH CA
661-999 ONVOY, LLC - CA 649C EDWARDS CA
669-200 ONVOY, LLC - CA 649C SNJS SOUTH CA
669-222 ONVOY, LLC - CA 649C CAMPBELL CA
669-300 ONVOY, LLC - CA 649C CAMPBELL CA
669-333 ONVOY, LLC - CA 649C SNJS SOUTH CA
669-400 ONVOY, LLC - CA 649C SNJS SOUTH CA
669-444 ONVOY, LLC - CA 649C SNJS WEST CA
669-500 ONVOY, LLC - CA 649C GILROY CA
669-600 ONVOY, LLC - CA 649C SUNNYVALE CA
669-666 ONVOY, LLC - CA 649C SNJS WEST CA
669-777 ONVOY, LLC - CA 649C SUNNYVALE CA
669-800 ONVOY, LLC - CA 649C SNJS WEST CA
669-888 ONVOY, LLC - CA 649C MORGANHILL CA
669-900 ONVOY, LLC - CA 649C SNJS NORTH CA
669-999 ONVOY, LLC - CA 649C SNJS WEST CA
707-238 ONVOY, LLC - CA 649C PTLM SWIFT CA
707-240 ONVOY, LLC - CA 649C MAD RIVER CA
707-242 ONVOY, LLC - CA 649C PTLM SWIFT CA
707-243 ONVOY, LLC - CA 649C OCCIDENTAL 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.