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
2020-07-31 510-630-1XXX ONVOY, LLC - CA 649C ELSBR-PINL CA
2020-07-31 510-630-2XXX ONVOY, LLC - CA 649C ELSBR-PINL CA
2020-07-31 510-975-9XXX ONVOY, LLC - CA 649C OKLD ALMD CA
2020-07-31 628-209-5XXX ONVOY, LLC - CA 649C NOVATO CA
2020-07-31 628-244-9XXX ONVOY, LLC - CA 649C BELVEDERE CA
2020-07-31 628-265-3XXX ONVOY, LLC - CA 649C INVERNESS CA
2020-07-31 628-265-4XXX ONVOY, LLC - CA 649C INVERNESS CA
2020-07-31 628-266-4XXX ONVOY, LLC - CA 649C CORTEMADRA CA
2020-07-31 628-266-5XXX ONVOY, LLC - CA 649C CORTEMADRA CA
2020-07-31 628-267-2XXX ONVOY, LLC - CA 649C SNFC CNTRL CA
2020-07-31 628-267-3XXX ONVOY, LLC - CA 649C SNFC CNTRL CA
2020-07-31 628-267-4XXX ONVOY, LLC - CA 649C SNFC CNTRL CA
2020-07-31 628-267-5XXX ONVOY, LLC - CA 649C SNFC CNTRL CA
2020-07-31 628-269-3XXX ONVOY, LLC - CA 649C SAN RAFAEL CA
2020-07-31 628-269-4XXX ONVOY, LLC - CA 649C SAN RAFAEL CA
2020-07-31 628-269-5XXX ONVOY, LLC - CA 649C SAN RAFAEL CA
2020-07-31 628-272-1XXX ONVOY, LLC - CA 649C POINTREYES CA
2020-07-31 628-272-2XXX ONVOY, LLC - CA 649C POINTREYES CA
2020-07-31 628-272-3XXX ONVOY, LLC - CA 649C POINTREYES CA
2020-07-31 628-288-3XXX ONVOY, LLC - CA 649C MILLVALLEY CA
2020-07-31 628-288-4XXX ONVOY, LLC - CA 649C MILLVALLEY CA
2020-07-31 628-356-0XXX ONVOY, LLC - CA 649C NICASIO CA
2020-07-31 628-356-1XXX ONVOY, LLC - CA 649C NICASIO CA
2020-07-31 628-433-5XXX ONVOY, LLC - CA 649C IGNACIO CA
2020-07-31 628-465-1XXX ONVOY, LLC - CA 649C SAUSALITO CA
2020-07-31 628-465-2XXX ONVOY, LLC - CA 649C SAUSALITO CA
2020-07-31 628-465-3XXX ONVOY, LLC - CA 649C SAUSALITO CA
2020-07-31 628-529-1XXX ONVOY, LLC - CA 649C SNFC JUNPR CA
2020-07-31 628-561-3XXX ONVOY, LLC - CA 649C STNSN-BLNS CA
2020-07-31 628-561-9XXX ONVOY, LLC - CA 649C STNSN-BLNS CA
2020-07-31 628-732-0XXX ONVOY, LLC - CA 649C SNFC JUNPR CA
2020-07-31 650-529-6XXX ONVOY, LLC - CA 649C WOODSIDE CA
2020-07-31 650-850-5XXX ONVOY, LLC - CA 649C WOODSIDE CA
2020-07-31 661-486-8XXX ONVOY, LLC - CA 649C PLDL AGDL CA
2020-07-31 669-219-1XXX ONVOY, LLC - CA 649C MORGANHILL CA
2020-07-31 669-219-8XXX ONVOY, LLC - CA 649C MORGANHILL CA
2020-07-31 669-280-5XXX ONVOY, LLC - CA 649C SAN MARTIN CA
2020-07-31 669-280-7XXX ONVOY, LLC - CA 649C SAN MARTIN CA
2020-07-31 747-236-6XXX ONVOY, LLC - CA 649C SNFN SPLV CA
2020-07-31 747-294-2XXX ONVOY, LLC - CA 649C SNFN SNFN CA
2020-07-31 747-294-3XXX ONVOY, LLC - CA 649C SNFN SNFN CA
2020-07-31 747-294-4XXX ONVOY, LLC - CA 649C SNFN SNFN CA
2020-07-31 747-744-5XXX ONVOY, LLC - CA 649C SNFN GRHL CA
2020-07-31 747-744-6XXX ONVOY, LLC - CA 649C SNFN GRHL CA
2020-07-31 760-280-7XXX ONVOY, LLC - CA 649C NEWBERRY CA
2020-07-31 760-280-9XXX ONVOY, LLC - CA 649C NEWBERRY CA
2020-07-31 760-350-3XXX ONVOY, LLC - CA 649C KERNVILLE CA
2020-07-31 760-478-6XXX ONVOY, LLC - CA 649C KERNVILLE CA
2020-07-31 805-664-4XXX ONVOY, LLC - CA 649C OAKVIEW CA
2020-07-31 805-664-5XXX ONVOY, LLC - CA 649C OAKVIEW 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.