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
2021-02-02 820-300-6XXX ONVOY, LLC - CA 649C GUADALUPE CA
2021-02-02 820-300-7XXX ONVOY, LLC - CA 649C GUADALUPE CA
2021-02-02 820-346-3XXX ONVOY, LLC - CA 649C ARROYOGRND CA
2021-02-02 820-346-4XXX ONVOY, LLC - CA 649C ARROYOGRND CA
2021-02-02 820-346-5XXX ONVOY, LLC - CA 649C ARROYOGRND CA
2021-02-02 820-346-6XXX ONVOY, LLC - CA 649C ARROYOGRND CA
2021-02-02 820-400-2XXX ONVOY, LLC - CA 649C PARKFIELD CA
2021-02-02 820-400-3XXX ONVOY, LLC - CA 649C PARKFIELD CA
2021-02-02 820-500-7XXX ONVOY, LLC - CA 649C GAVIOTA CA
2021-02-02 820-500-8XXX ONVOY, LLC - CA 649C GAVIOTA CA
2021-02-02 916-302-7XXX ONVOY, LLC - CA 649C PLEASATGRV CA
2021-02-02 916-777-0XXX ONVOY, LLC - CA 649C ISLETON CA
2021-02-02 925-304-3XXX ONVOY, LLC - CA 649C CLAYTON CA
2021-02-02 949-989-4XXX ONVOY, LLC - CA 649C LAGUNA BCH CA
2021-02-02 949-989-5XXX ONVOY, LLC - CA 649C LAGUNA BCH CA
2021-02-02 949-989-6XXX ONVOY, LLC - CA 649C LAGUNA BCH CA
2021-02-02 949-989-7XXX ONVOY, LLC - CA 649C LAGUNA BCH CA
2021-02-02 949-989-8XXX ONVOY, LLC - CA 649C LAGUNA BCH CA
2021-02-02 949-998-4XXX ONVOY, LLC - CA 649C RNCHOVIEJO CA
2021-02-02 949-998-5XXX ONVOY, LLC - CA 649C RNCHOVIEJO CA
2021-02-02 949-998-9XXX ONVOY, LLC - CA 649C RNCHOVIEJO CA
2021-01-28 279-217-7XXX ONVOY, LLC - CA 649C SO PLACER CA
2021-01-28 916-775-5XXX ONVOY, LLC - CA 649C COURTLAND CA
2021-01-28 916-775-6XXX ONVOY, LLC - CA 649C COURTLAND CA
2021-01-28 916-775-7XXX ONVOY, LLC - CA 649C COURTLAND CA
2021-01-28 916-907-6XXX ONVOY, LLC - CA 649C FAIR OAKS CA
2021-01-28 916-907-7XXX ONVOY, LLC - CA 649C FAIR OAKS CA
2021-01-28 916-907-8XXX ONVOY, LLC - CA 649C FAIR OAKS CA
2021-01-28 916-907-9XXX ONVOY, LLC - CA 649C FAIR OAKS CA
2021-01-27 619-626-1XXX ONVOY, LLC - CA 649C EL CAJON CA
2021-01-27 619-626-2XXX ONVOY, LLC - CA 649C EL CAJON CA
2021-01-26 279-206-4XXX ONVOY, LLC - CA 649C SO PLACER CA
2021-01-26 279-206-5XXX ONVOY, LLC - CA 649C SO PLACER CA
2021-01-26 279-206-6XXX ONVOY, LLC - CA 649C SO PLACER CA
2021-01-26 661-469-6XXX ONVOY, LLC - CA 649C BUTTONWLLW CA
2021-01-25 619-901-0XXX ONVOY, LLC - CA 649C EL CAJON CA
2021-01-25 619-901-1XXX ONVOY, LLC - CA 649C EL CAJON CA
2021-01-25 619-901-2XXX ONVOY, LLC - CA 649C EL CAJON CA
2021-01-22 213-772-1XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-2XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-3XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-4XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-5XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-6XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-7XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 213-772-8XXX ONVOY, LLC - CA 649C LSAN DA 02 CA
2021-01-22 279-278-2XXX ONVOY, LLC - CA 649C FOLSOM CA
2021-01-22 279-278-5XXX ONVOY, LLC - CA 649C FOLSOM CA
2021-01-22 279-278-6XXX ONVOY, LLC - CA 649C FOLSOM CA
2021-01-22 279-278-7XXX ONVOY, LLC - CA 649C FOLSOM 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.