NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

279 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 279
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
2021-10-26 747-577-6XXX ONVOY, LLC - CA 649C RESEDA CA
2021-10-26 747-577-8XXX ONVOY, LLC - CA 649C RESEDA CA
2021-10-26 747-577-9XXX ONVOY, LLC - CA 649C RESEDA CA
2021-10-22 213-539-2XXX ONVOY, LLC - CA 649C LSAN DA 01 CA
2021-10-22 213-539-3XXX ONVOY, LLC - CA 649C LSAN DA 01 CA
2021-10-22 213-539-4XXX ONVOY, LLC - CA 649C LSAN DA 01 CA
2021-10-22 213-539-5XXX ONVOY, LLC - CA 649C LSAN DA 01 CA
2021-10-22 213-669-4XXX ONVOY, LLC - CA 649C LSAN DA 01 CA
2021-10-22 657-526-7XXX ONVOY, LLC - CA 649C ANAHEIM CA
2021-10-22 657-526-8XXX ONVOY, LLC - CA 649C ANAHEIM CA
2021-10-22 661-732-8XXX ONVOY, LLC - CA 649C DELANO CA
2021-10-22 707-918-0XXX ONVOY, LLC - CA 649C SANTA ROSA CA
2021-10-22 707-918-1XXX ONVOY, LLC - CA 649C SANTA ROSA CA
2021-10-22 707-918-2XXX ONVOY, LLC - CA 649C SANTA ROSA CA
2021-10-22 909-970-2XXX ONVOY, LLC - CA 649C CHINO CA
2021-10-22 909-970-3XXX ONVOY, LLC - CA 649C CHINO CA
2021-10-20 209-878-5XXX ONVOY, LLC - CA 649C COULTERVL CA
2021-10-20 209-886-0XXX ONVOY, LLC - CA 649C FARMINGTON CA
2021-10-20 209-913-6XXX ONVOY, LLC - CA 649C TURLOCK CA
2021-10-20 323-659-3XXX ONVOY, LLC - CA 649C MONTEBELLO CA
2021-10-20 323-659-4XXX ONVOY, LLC - CA 649C MONTEBELLO CA
2021-10-20 323-659-5XXX ONVOY, LLC - CA 649C MONTEBELLO CA
2021-10-20 424-955-2XXX ONVOY, LLC - CA 649C CMTN CMTN CA
2021-10-20 424-955-3XXX ONVOY, LLC - CA 649C CMTN CMTN CA
2021-10-20 424-955-4XXX ONVOY, LLC - CA 649C CMTN CMTN CA
2021-10-20 424-955-6XXX ONVOY, LLC - CA 649C CMTN CMTN CA
2021-10-20 562-561-3XXX ONVOY, LLC - CA 649C WHITTIER CA
2021-10-20 626-978-9XXX ONVOY, LLC - CA 649C EL MONTE CA
2021-10-20 650-394-3XXX ONVOY, LLC - CA 649C SNCRL-BLMT CA
2021-10-20 650-551-9XXX ONVOY, LLC - CA 649C SNCRL-BLMT CA
2021-10-20 650-610-7XXX ONVOY, LLC - CA 649C SNCRL-BLMT CA
2021-10-20 650-719-4XXX ONVOY, LLC - CA 649C MOSS BEACH CA
2021-10-20 650-719-5XXX ONVOY, LLC - CA 649C MOSS BEACH CA
2021-10-20 650-780-3XXX ONVOY, LLC - CA 649C REDWOOD CY CA
2021-10-20 650-780-6XXX ONVOY, LLC - CA 649C REDWOOD CY CA
2021-10-20 650-789-2XXX ONVOY, LLC - CA 649C MT VIEW CA
2021-10-20 650-879-8XXX ONVOY, LLC - CA 649C PESCADERO CA
2021-10-20 661-773-2XXX ONVOY, LLC - CA 649C WALKERBSIN CA
2021-10-20 661-773-5XXX ONVOY, LLC - CA 649C WALKERBSIN CA
2021-10-20 707-507-6XXX ONVOY, LLC - CA 649C RIO VISTA CA
2021-10-20 747-319-2XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2021-10-20 747-319-3XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2021-10-20 747-319-4XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2021-10-20 747-319-5XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2021-10-20 747-330-0XXX ONVOY, LLC - CA 649C GLENDALE CA
2021-10-20 747-330-1XXX ONVOY, LLC - CA 649C GLENDALE CA
2021-10-20 747-330-2XXX ONVOY, LLC - CA 649C GLENDALE CA
2021-10-20 747-330-4XXX ONVOY, LLC - CA 649C GLENDALE CA
2021-10-20 747-330-8XXX ONVOY, LLC - CA 649C GLENDALE CA
2021-10-20 747-330-9XXX ONVOY, LLC - CA 649C GLENDALE CA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.