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
2016-10-11 831-257-0XXX ONVOY, LLC - CA 649C APTOS CA
2016-10-11 831-257-1XXX ONVOY, LLC - CA 649C APTOS CA
2016-10-11 831-257-2XXX ONVOY, LLC - CA 649C APTOS CA
2016-10-11 831-257-3XXX ONVOY, LLC - CA 649C APTOS CA
2016-10-07 442-273-8XXX ONVOY, LLC - CA 649C VISTA CA
2016-10-07 442-291-6XXX ONVOY, LLC - CA 649C VISTA CA
2016-10-07 442-291-7XXX ONVOY, LLC - CA 649C VISTA CA
2016-10-07 858-428-6XXX ONVOY, LLC - CA 649C RNCHOPNQTS CA
2016-10-07 858-428-7XXX ONVOY, LLC - CA 649C RNCHOPNQTS CA
2016-10-07 858-879-8XXX ONVOY, LLC - CA 649C RNCHOBRNDO CA
2016-10-07 858-946-3XXX ONVOY, LLC - CA 649C RNCHOBRNDO CA
2016-10-07 858-946-4XXX ONVOY, LLC - CA 649C RNCHOBRNDO CA
2016-10-06 408-752-5XXX ONVOY, LLC - CA 649C SUNNYVALE CA
2016-10-06 714-503-8XXX ONVOY, LLC - CA 649C CYPRESS CA
2016-10-05 628-215-5XXX ONVOY, LLC - CA 649C MILLVALLEY CA
2016-10-05 628-215-6XXX ONVOY, LLC - CA 649C MILLVALLEY CA
2016-10-05 628-215-7XXX ONVOY, LLC - CA 649C MILLVALLEY CA
2016-10-05 628-215-8XXX ONVOY, LLC - CA 649C MILLVALLEY CA
2016-10-04 562-302-4XXX ONVOY, LLC - CA 649C DOWNEY CA
2016-10-04 562-553-6XXX ONVOY, LLC - CA 649C LA HABRA CA
2016-10-04 562-553-7XXX ONVOY, LLC - CA 649C LA HABRA CA
2016-10-04 562-774-0XXX ONVOY, LLC - CA 649C DOWNEY CA
2016-10-04 619-340-0XXX ONVOY, LLC - CA 649C LA MESA CA
2016-10-04 619-340-1XXX ONVOY, LLC - CA 649C LA MESA CA
2016-10-04 619-340-2XXX ONVOY, LLC - CA 649C LA MESA CA
2016-10-04 619-404-3XXX ONVOY, LLC - CA 649C EL CAJON CA
2016-10-04 619-404-4XXX ONVOY, LLC - CA 649C EL CAJON CA
2016-10-04 619-404-5XXX ONVOY, LLC - CA 649C EL CAJON CA
2016-10-04 619-404-6XXX ONVOY, LLC - CA 649C EL CAJON CA
2016-10-04 619-762-6XXX ONVOY, LLC - CA 649C CORONADO CA
2016-10-04 626-317-0XXX ONVOY, LLC - CA 649C ARCADIA CA
2016-10-04 626-317-6XXX ONVOY, LLC - CA 649C ARCADIA CA
2016-10-04 628-214-1XXX ONVOY, LLC - CA 649C NOVATO CA
2016-10-04 747-267-1XXX ONVOY, LLC - CA 649C RESEDA CA
2016-10-04 747-267-2XXX ONVOY, LLC - CA 649C RESEDA CA
2016-10-04 747-271-4XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2016-10-04 747-271-5XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2016-10-04 747-271-6XXX ONVOY, LLC - CA 649C BRBN SNVY CA
2016-10-04 909-316-6XXX ONVOY, LLC - CA 649C CALIMESA CA
2016-10-04 909-316-7XXX ONVOY, LLC - CA 649C CALIMESA CA
2016-10-04 909-317-1XXX ONVOY, LLC - CA 649C ETIWANDA CA
2016-10-04 909-317-3XXX ONVOY, LLC - CA 649C ETIWANDA CA
2016-10-04 909-413-4XXX ONVOY, LLC - CA 649C CHINO CA
2016-10-04 909-413-5XXX ONVOY, LLC - CA 649C CHINO CA
2016-10-04 909-414-2XXX ONVOY, LLC - CA 649C ARROWHEAD CA
2016-10-04 909-414-3XXX ONVOY, LLC - CA 649C ARROWHEAD CA
2016-10-04 909-506-0XXX ONVOY, LLC - CA 649C CLAREMONT CA
2016-10-04 909-506-1XXX ONVOY, LLC - CA 649C CLAREMONT CA
2016-10-04 909-640-2XXX ONVOY, LLC - CA 649C RIALTO CA
2016-10-04 909-640-3XXX ONVOY, LLC - CA 649C RIALTO 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.