NumberResearch Membership · Data 09/18/2026

Recent thousands-block assignments

366 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/18/2026

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

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days
ONVOY, LLC - CA 366
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 thousands-block assignments
AssignedBlockAssigneeOCNRate centerState
2008-06-03 408-217-2XXX ONVOY, LLC - CA 649C SNJS WEST CA
2008-06-03 619-616-2XXX ONVOY, LLC - CA 649C CHULAVISTA CA
2008-05-29 619-272-3XXX ONVOY, LLC - CA 649C SNDG SNDG CA
2008-05-29 619-272-8XXX ONVOY, LLC - CA 649C SNDG SNDG CA
2008-05-29 619-272-9XXX ONVOY, LLC - CA 649C SNDG SNDG CA
2008-05-29 661-748-0XXX ONVOY, LLC - CA 649C BKFD MAIN CA
2008-05-29 951-595-8XXX ONVOY, LLC - CA 649C TEMECULA CA
2008-05-28 661-579-7XXX ONVOY, LLC - CA 649C LANCASTER CA
2008-05-23 310-310-7XXX ONVOY, LLC - CA 649C SNMN SNMN CA
2008-05-23 424-270-6XXX ONVOY, LLC - CA 649C W ANGELES CA
2008-05-23 510-621-6XXX ONVOY, LLC - CA 649C RICHMOND CA
2008-05-23 650-681-8XXX ONVOY, LLC - CA 649C PALO ALTO CA
2008-05-23 707-658-7XXX ONVOY, LLC - CA 649C PTLM MAIN CA
2008-05-23 760-552-7XXX ONVOY, LLC - CA 649C VICTORVL CA
2008-05-23 909-235-5XXX ONVOY, LLC - CA 649C ONTARIO CA
2008-05-21 323-739-2XXX ONVOY, LLC - CA 649C LSAN DA 03 CA
2008-05-21 323-798-7XXX ONVOY, LLC - CA 649C LSAN DA 14 CA
2008-05-21 424-243-7XXX ONVOY, LLC - CA 649C INGLEWOOD CA
2008-05-21 760-813-7XXX ONVOY, LLC - CA 649C VTVL APVY CA
2008-05-21 909-256-7XXX ONVOY, LLC - CA 649C UPLAND CA
2008-05-20 323-406-7XXX ONVOY, LLC - CA 649C LSAN DA 05 CA
2008-05-20 424-757-6XXX ONVOY, LLC - CA 649C TORRANCE CA
2008-05-20 714-723-3XXX ONVOY, LLC - CA 649C CYPRESS CA
2008-05-20 714-735-7XXX ONVOY, LLC - CA 649C BUENA PARK CA
2008-05-20 760-587-4XXX ONVOY, LLC - CA 649C BRAWLEY CA
2008-05-20 760-605-7XXX ONVOY, LLC - CA 649C VICTORVL CA
2008-05-20 760-695-0XXX ONVOY, LLC - CA 649C FALLBROOK CA
2008-05-20 760-936-8XXX ONVOY, LLC - CA 649C VISTA CA
2008-05-20 760-977-5XXX ONVOY, LLC - CA 649C RIDGECREST CA
2008-05-20 805-500-7XXX ONVOY, LLC - CA 649C OAKVIEW CA
2008-05-20 805-850-7XXX ONVOY, LLC - CA 649C VNTRA EAST CA
2008-05-20 818-794-6XXX ONVOY, LLC - CA 649C SNFN PACM CA
2008-05-20 909-570-8XXX ONVOY, LLC - CA 649C CALIMESA CA
2008-05-20 949-325-7XXX ONVOY, LLC - CA 649C CAPITRNVLY CA
2008-05-20 951-977-5XXX ONVOY, LLC - CA 649C ARLINGTON CA
2008-05-15 209-207-3XXX ONVOY, LLC - CA 649C TRACY CA
2008-05-15 209-207-6XXX ONVOY, LLC - CA 649C TRACY CA
2008-05-15 209-207-7XXX ONVOY, LLC - CA 649C TRACY CA
2008-05-15 209-224-9XXX ONVOY, LLC - CA 649C LODI CA
2008-05-15 209-370-5XXX ONVOY, LLC - CA 649C LODI CA
2008-05-15 209-381-8XXX ONVOY, LLC - CA 649C MERCED CA
2008-05-15 209-416-0XXX ONVOY, LLC - CA 649C MODESTO CA
2008-05-15 209-846-1XXX ONVOY, LLC - CA 649C MODESTO CA
2008-05-13 424-204-5XXX ONVOY, LLC - CA 649C BEVERLYHLS CA
2008-05-13 424-204-6XXX ONVOY, LLC - CA 649C BEVERLYHLS CA
2008-05-13 424-239-0XXX ONVOY, LLC - CA 649C BEVERLYHLS CA
2008-05-13 559-372-3XXX ONVOY, LLC - CA 649C VISALIA CA
2008-05-13 559-372-4XXX ONVOY, LLC - CA 649C VISALIA CA
2008-05-13 559-416-8XXX ONVOY, LLC - CA 649C MADERA CA
2008-05-13 559-479-5XXX ONVOY, LLC - CA 649C MADERA CA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.