NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

153 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 - TX 153
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
2020-07-21 737-257-6XXX ONVOY, LLC - TX 903C SANGABRIEL TX
2020-07-21 737-258-3XXX ONVOY, LLC - TX 903C MILANO TX
2020-07-21 737-258-4XXX ONVOY, LLC - TX 903C MILANO TX
2020-07-21 737-258-5XXX ONVOY, LLC - TX 903C MILANO TX
2020-07-21 737-264-5XXX ONVOY, LLC - TX 903C LOCKHART TX
2020-07-21 737-264-6XXX ONVOY, LLC - TX 903C LOCKHART TX
2020-07-21 737-264-7XXX ONVOY, LLC - TX 903C LOCKHART TX
2020-07-21 737-265-2XXX ONVOY, LLC - TX 903C KYLE TX
2020-07-21 737-265-3XXX ONVOY, LLC - TX 903C KYLE TX
2020-07-21 737-265-4XXX ONVOY, LLC - TX 903C KYLE TX
2020-07-21 737-299-7XXX ONVOY, LLC - TX 903C LAMPASAS TX
2020-07-21 737-299-8XXX ONVOY, LLC - TX 903C LAMPASAS TX
2020-07-21 737-302-4XXX ONVOY, LLC - TX 903C SMITHVILLE TX
2020-07-21 737-302-5XXX ONVOY, LLC - TX 903C SMITHVILLE TX
2020-07-21 737-302-6XXX ONVOY, LLC - TX 903C SMITHVILLE TX
2020-07-21 737-373-2XXX ONVOY, LLC - TX 903C SAN MARCOS TX
2020-07-21 737-373-3XXX ONVOY, LLC - TX 903C SAN MARCOS TX
2020-07-21 737-373-4XXX ONVOY, LLC - TX 903C SAN MARCOS TX
2020-07-21 737-510-2XXX ONVOY, LLC - TX 903C BERTRAM TX
2020-07-21 737-510-4XXX ONVOY, LLC - TX 903C BERTRAM TX
2020-07-21 737-510-7XXX ONVOY, LLC - TX 903C BERTRAM TX
2020-07-21 737-520-3XXX ONVOY, LLC - TX 903C FENTRESS TX
2020-07-21 737-520-4XXX ONVOY, LLC - TX 903C FENTRESS TX
2020-07-21 737-520-7XXX ONVOY, LLC - TX 903C FENTRESS TX
2020-07-21 737-530-2XXX ONVOY, LLC - TX 903C LOMETA TX
2020-07-21 737-530-3XXX ONVOY, LLC - TX 903C LOMETA TX
2020-07-21 737-530-4XXX ONVOY, LLC - TX 903C LOMETA TX
2020-07-21 737-637-3XXX ONVOY, LLC - TX 903C THORNDTHRL TX
2020-07-21 737-637-4XXX ONVOY, LLC - TX 903C THORNDTHRL TX
2020-07-21 737-637-5XXX ONVOY, LLC - TX 903C THORNDTHRL TX
2020-07-21 737-758-2XXX ONVOY, LLC - TX 903C KEMPNER TX
2020-07-21 737-758-3XXX ONVOY, LLC - TX 903C KEMPNER TX
2020-07-21 737-758-4XXX ONVOY, LLC - TX 903C KEMPNER TX
2020-07-21 737-770-3XXX ONVOY, LLC - TX 903C BUDA TX
2020-07-21 737-770-4XXX ONVOY, LLC - TX 903C BUDA TX
2020-07-21 737-770-5XXX ONVOY, LLC - TX 903C BUDA TX
2020-07-21 737-980-3XXX ONVOY, LLC - TX 903C COUPLAND TX
2020-07-21 737-980-4XXX ONVOY, LLC - TX 903C COUPLAND TX
2020-07-21 737-980-5XXX ONVOY, LLC - TX 903C COUPLAND TX
2020-07-21 817-904-3XXX ONVOY, LLC - TX 903C ACTON TX
2020-07-21 817-904-4XXX ONVOY, LLC - TX 903C ACTON TX
2020-07-21 817-904-5XXX ONVOY, LLC - TX 903C ACTON TX
2020-07-21 940-240-3XXX ONVOY, LLC - TX 903C ARGYLE TX
2020-07-21 940-240-6XXX ONVOY, LLC - TX 903C ARGYLE TX
2020-07-21 940-240-8XXX ONVOY, LLC - TX 903C ARGYLE TX
2020-07-21 940-245-4XXX ONVOY, LLC - TX 903C DECATUR TX
2020-07-21 940-245-5XXX ONVOY, LLC - TX 903C DECATUR TX
2020-07-21 940-245-6XXX ONVOY, LLC - TX 903C DECATUR TX
2020-07-21 940-290-6XXX ONVOY, LLC - TX 903C AUBREY TX
2020-07-21 940-290-7XXX ONVOY, LLC - TX 903C AUBREY TX

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.