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
2026-05-21 369-229-8XXX ONVOY, LLC - CA 649C DIXON CA
2026-05-21 369-241-1XXX ONVOY, LLC - CA 649C PTLM MAIN CA
2026-05-21 408-939-0XXX ONVOY, LLC - CA 649C SNJS SOUTH CA
2026-05-21 408-940-9XXX ONVOY, LLC - CA 649C SUNNYVALE CA
2026-05-21 424-518-7XXX ONVOY, LLC - CA 649C W ANGELES CA
2026-05-21 424-518-8XXX ONVOY, LLC - CA 649C W ANGELES CA
2026-05-21 424-539-7XXX ONVOY, LLC - CA 649C CMTN GRDN CA
2026-05-21 424-550-7XXX ONVOY, LLC - CA 649C BEVERLYHLS CA
2026-05-21 424-563-8XXX ONVOY, LLC - CA 649C HAWTHORNE CA
2026-05-21 424-569-0XXX ONVOY, LLC - CA 649C SNMN SNMN CA
2026-05-21 424-587-9XXX ONVOY, LLC - CA 649C CULVERCITY CA
2026-05-21 424-996-1XXX ONVOY, LLC - CA 649C INGLEWOOD CA
2026-05-21 562-204-0XXX ONVOY, LLC - CA 649C WHITTIER CA
2026-05-21 562-236-0XXX ONVOY, LLC - CA 649C WHITTIER CA
2026-05-21 562-268-9XXX ONVOY, LLC - CA 649C PICORIVERA CA
2026-05-21 562-516-4XXX ONVOY, LLC - CA 649C DOWNEY CA
2026-05-21 562-649-1XXX ONVOY, LLC - CA 649C NORWALK CA
2026-05-21 562-742-0XXX ONVOY, LLC - CA 649C ALAMITOS CA
2026-05-21 562-780-7XXX ONVOY, LLC - CA 649C DOWNEY CA
2026-05-21 562-834-8XXX ONVOY, LLC - CA 649C LA HABRA CA
2026-05-21 619-320-7XXX ONVOY, LLC - CA 649C HARBSNALPN CA
2026-05-21 626-247-2XXX ONVOY, LLC - CA 649C ARCADIA CA
2026-05-21 626-562-7XXX ONVOY, LLC - CA 649C AZUSA CA
2026-05-21 626-686-0XXX ONVOY, LLC - CA 649C EL MONTE CA
2026-05-21 626-736-2XXX ONVOY, LLC - CA 649C COVINA CA
2026-05-21 626-835-2XXX ONVOY, LLC - CA 649C EL MONTE CA
2026-05-21 626-837-1XXX ONVOY, LLC - CA 649C PSDN PSDN CA
2026-05-21 626-843-8XXX ONVOY, LLC - CA 649C MONROVIA CA
2026-05-21 626-846-1XXX ONVOY, LLC - CA 649C ALHAMBRA CA
2026-05-21 626-846-2XXX ONVOY, LLC - CA 649C ALHAMBRA CA
2026-05-21 626-846-3XXX ONVOY, LLC - CA 649C ALHAMBRA CA
2026-05-21 650-370-4XXX ONVOY, LLC - CA 649C PALO ALTO CA
2026-05-21 650-459-6XXX ONVOY, LLC - CA 649C HALFMOONBY CA
2026-05-21 661-692-3XXX ONVOY, LLC - CA 649C BKFD SOUTH CA
2026-05-21 669-374-2XXX ONVOY, LLC - CA 649C SNJS NORTH CA
2026-05-21 738-200-7XXX ONVOY, LLC - CA 649C LSAN DA 10 CA
2026-05-21 738-200-8XXX ONVOY, LLC - CA 649C LSAN DA 10 CA
2026-05-21 738-900-1XXX ONVOY, LLC - CA 649C LSAN DA 05 CA
2026-05-21 738-998-0XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2026-05-21 760-850-1XXX ONVOY, LLC - CA 649C BRAWLEY CA
2026-05-21 805-516-8XXX ONVOY, LLC - CA 649C FILLMORE CA
2026-05-21 831-329-2XXX ONVOY, LLC - CA 649C SALINAS CA
2026-05-21 858-393-4XXX ONVOY, LLC - CA 649C DEL MAR CA
2026-05-21 858-426-8XXX ONVOY, LLC - CA 649C EL CAJON CA
2026-05-21 858-445-7XXX ONVOY, LLC - CA 649C SNDG MRMS CA
2026-05-21 858-447-0XXX ONVOY, LLC - CA 649C RNCHOPNQTS CA
2026-05-21 925-404-5XXX ONVOY, LLC - CA 649C DUBLN-SNRM CA
2026-05-21 925-512-7XXX ONVOY, LLC - CA 649C WALNUT CRK CA
2026-05-21 925-540-1XXX ONVOY, LLC - CA 649C DANVILLE CA
2026-05-21 925-559-7XXX ONVOY, LLC - CA 649C ECONTRCOST 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.