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
2026-06-30 820-237-1XXX ONVOY, LLC - CA 649C ATASCADERO CA
2026-06-30 820-246-1XXX ONVOY, LLC - CA 649C ATASCADERO CA
2026-06-30 820-837-2XXX ONVOY, LLC - CA 649C OXNARD CA
2026-06-30 820-837-3XXX ONVOY, LLC - CA 649C OXNARD CA
2026-06-30 820-837-5XXX ONVOY, LLC - CA 649C OXNARD CA
2026-06-30 840-253-6XXX ONVOY, LLC - CA 649C CALIMESA CA
2026-06-30 840-253-7XXX ONVOY, LLC - CA 649C CALIMESA CA
2026-06-30 840-253-8XXX ONVOY, LLC - CA 649C CALIMESA CA
2026-06-30 840-282-9XXX ONVOY, LLC - CA 649C CHINO CA
2026-06-30 840-500-6XXX ONVOY, LLC - CA 649C BIGBEAR CY CA
2026-06-30 858-407-7XXX ONVOY, LLC - CA 649C CHULAVISTA CA
2026-06-30 858-407-8XXX ONVOY, LLC - CA 649C CHULAVISTA CA
2026-06-30 925-815-9XXX ONVOY, LLC - CA 649C BSHP RNCH CA
2026-06-30 949-901-9XXX ONVOY, LLC - CA 649C IRVINE CA
2026-06-30 949-938-0XXX ONVOY, LLC - CA 649C IRVINE CA
2026-06-26 213-845-6XXX ONVOY, LLC - CA 649C LSAN DA 11 CA
2026-06-26 213-862-6XXX ONVOY, LLC - CA 649C LSAN DA 10 CA
2026-06-26 213-889-0XXX ONVOY, LLC - CA 649C LSAN DA 09 CA
2026-06-26 213-945-4XXX ONVOY, LLC - CA 649C LSAN DA 09 CA
2026-06-26 213-945-5XXX ONVOY, LLC - CA 649C LSAN DA 09 CA
2026-06-26 213-945-6XXX ONVOY, LLC - CA 649C LSAN DA 09 CA
2026-06-26 213-945-7XXX ONVOY, LLC - CA 649C LSAN DA 09 CA
2026-06-26 213-964-4XXX ONVOY, LLC - CA 649C LSAN DA 08 CA
2026-06-26 213-964-5XXX ONVOY, LLC - CA 649C LSAN DA 08 CA
2026-06-26 323-739-9XXX ONVOY, LLC - CA 649C LSAN DA 03 CA
2026-06-26 350-261-4XXX ONVOY, LLC - CA 649C MODESTO CA
2026-06-26 350-261-5XXX ONVOY, LLC - CA 649C MODESTO CA
2026-06-26 350-261-6XXX ONVOY, LLC - CA 649C MODESTO CA
2026-06-26 350-261-7XXX ONVOY, LLC - CA 649C MODESTO CA
2026-06-26 350-261-8XXX ONVOY, LLC - CA 649C MODESTO CA
2026-06-26 350-261-9XXX ONVOY, LLC - CA 649C MODESTO CA
2026-06-26 408-939-1XXX ONVOY, LLC - CA 649C SNJS SOUTH CA
2026-06-26 408-939-6XXX ONVOY, LLC - CA 649C SNJS SOUTH CA
2026-06-26 408-939-7XXX ONVOY, LLC - CA 649C SNJS SOUTH CA
2026-06-26 408-939-8XXX ONVOY, LLC - CA 649C SNJS SOUTH CA
2026-06-26 408-939-9XXX ONVOY, LLC - CA 649C SNJS SOUTH CA
2026-06-26 415-678-1XXX ONVOY, LLC - CA 649C SNFC CNTRL CA
2026-06-26 415-701-8XXX ONVOY, LLC - CA 649C SNFC CNTRL CA
2026-06-26 424-451-1XXX ONVOY, LLC - CA 649C SAN PEDRO CA
2026-06-26 424-518-4XXX ONVOY, LLC - CA 649C W ANGELES CA
2026-06-26 424-518-5XXX ONVOY, LLC - CA 649C W ANGELES CA
2026-06-26 424-518-6XXX ONVOY, LLC - CA 649C W ANGELES CA
2026-06-26 424-540-1XXX ONVOY, LLC - CA 649C SAN PEDRO CA
2026-06-26 424-540-8XXX ONVOY, LLC - CA 649C SAN PEDRO CA
2026-06-26 424-549-3XXX ONVOY, LLC - CA 649C CULVERCITY CA
2026-06-26 424-549-4XXX ONVOY, LLC - CA 649C CULVERCITY CA
2026-06-26 424-550-9XXX ONVOY, LLC - CA 649C BEVERLYHLS CA
2026-06-26 424-553-0XXX ONVOY, LLC - CA 649C BEVERLYHLS CA
2026-06-26 424-560-6XXX ONVOY, LLC - CA 649C CMTN GRDN CA
2026-06-26 424-560-7XXX ONVOY, LLC - CA 649C CMTN GRDN 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.