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
2021-03-19 650-517-0XXX ONVOY, LLC - CA 649C SNCRL-BLMT CA
2021-03-19 650-540-8XXX ONVOY, LLC - CA 649C SSNFRNCSCO CA
2021-03-19 650-540-9XXX ONVOY, LLC - CA 649C SSNFRNCSCO CA
2021-03-19 650-563-7XXX ONVOY, LLC - CA 649C MOSS BEACH CA
2021-03-19 650-563-8XXX ONVOY, LLC - CA 649C MOSS BEACH CA
2021-03-19 650-677-8XXX ONVOY, LLC - CA 649C SSNFRNCSCO CA
2021-03-19 669-758-2XXX ONVOY, LLC - CA 649C LOS GATOS CA
2021-03-19 669-758-3XXX ONVOY, LLC - CA 649C LOS GATOS CA
2021-03-19 669-758-4XXX ONVOY, LLC - CA 649C LOS GATOS CA
2021-03-19 707-336-9XXX ONVOY, LLC - CA 649C PETROLIA CA
2021-03-19 831-230-2XXX ONVOY, LLC - CA 649C MONTEREY CA
2021-03-19 831-230-3XXX ONVOY, LLC - CA 649C MONTEREY CA
2021-03-19 831-230-4XXX ONVOY, LLC - CA 649C MONTEREY CA
2021-03-19 925-386-4XXX ONVOY, LLC - CA 649C ORINDA CA
2021-03-19 925-386-5XXX ONVOY, LLC - CA 649C ORINDA CA
2021-03-19 925-489-0XXX ONVOY, LLC - CA 649C ANTIOCH CA
2021-03-19 925-489-1XXX ONVOY, LLC - CA 649C ANTIOCH CA
2021-03-19 925-489-2XXX ONVOY, LLC - CA 649C ANTIOCH CA
2021-03-19 925-578-2XXX ONVOY, LLC - CA 649C ECONTRCOST CA
2021-03-19 925-578-3XXX ONVOY, LLC - CA 649C ECONTRCOST CA
2021-03-19 925-578-4XXX ONVOY, LLC - CA 649C ECONTRCOST CA
2021-03-19 925-914-3XXX ONVOY, LLC - CA 649C CLAYTON CA
2021-03-19 925-914-4XXX ONVOY, LLC - CA 649C CLAYTON CA
2021-03-19 951-480-7XXX ONVOY, LLC - CA 649C HEMT HEMT CA
2021-03-19 951-498-3XXX ONVOY, LLC - CA 649C ELSINORE CA
2021-03-19 951-633-0XXX ONVOY, LLC - CA 649C HEMT HEMT CA
2021-03-19 951-633-1XXX ONVOY, LLC - CA 649C HEMT HEMT CA
2021-03-19 951-946-2XXX ONVOY, LLC - CA 649C HEMT SNJC CA
2021-03-19 951-946-7XXX ONVOY, LLC - CA 649C HEMT SNJC CA
2021-03-17 209-348-5XXX ONVOY, LLC - CA 649C CLEMENTS CA
2021-03-15 209-921-2XXX ONVOY, LLC - CA 649C STOCKTON CA
2021-03-15 209-921-3XXX ONVOY, LLC - CA 649C STOCKTON CA
2021-03-15 209-921-4XXX ONVOY, LLC - CA 649C STOCKTON CA
2021-03-15 209-921-5XXX ONVOY, LLC - CA 649C STOCKTON CA
2021-03-05 209-432-5XXX ONVOY, LLC - CA 649C SNRA JUNO CA
2021-03-05 209-512-1XXX ONVOY, LLC - CA 649C YOSEMITE CA
2021-03-05 209-512-2XXX ONVOY, LLC - CA 649C YOSEMITE CA
2021-03-05 209-792-0XXX ONVOY, LLC - CA 649C STOCKTON CA
2021-03-05 209-798-0XXX ONVOY, LLC - CA 649C STOCKTON CA
2021-03-05 279-207-1XXX ONVOY, LLC - CA 649C ELK GROVE CA
2021-03-05 279-207-2XXX ONVOY, LLC - CA 649C ELK GROVE CA
2021-03-05 279-207-3XXX ONVOY, LLC - CA 649C ELK GROVE CA
2021-03-05 279-207-4XXX ONVOY, LLC - CA 649C ELK GROVE CA
2021-03-05 279-336-4XXX ONVOY, LLC - CA 649C RSVL MAIN CA
2021-03-05 279-336-5XXX ONVOY, LLC - CA 649C RSVL MAIN CA
2021-03-05 279-336-6XXX ONVOY, LLC - CA 649C RSVL MAIN CA
2021-03-05 279-336-7XXX ONVOY, LLC - CA 649C RSVL MAIN CA
2021-03-05 530-831-8XXX ONVOY, LLC - CA 649C PORTOLA CA
2021-03-05 530-994-8XXX ONVOY, LLC - CA 649C SIERRAVL CA
2021-03-05 626-275-1XXX ONVOY, LLC - CA 649C MONROVIA 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.