NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

11 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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 — NPA 251
NEW CINGULAR WIRELESS PCS, LLC - GA 6
ONVOY, LLC - AL 3
WIDE VOICE, LLC - AL 2
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
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2018-12-19 251-292-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E MELVIN AL
2018-12-19 251-292-9XXX 9000–9999Assigned ONVOY, LLC - AL 604E MELVIN AL
2018-12-04 251-257-4XXX 4000–4999Assigned ONVOY, LLC - AL 604E BELLEFONTN AL
2018-12-04 251-257-5XXX 5000–5999Assigned ONVOY, LLC - AL 604E BELLEFONTN AL
2018-12-04 251-265-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E MT VERNON AL
2018-12-04 251-265-9XXX 9000–9999Assigned ONVOY, LLC - AL 604E MT VERNON AL
2018-12-04 251-276-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E COFFEEVL AL
2018-12-04 251-276-9XXX 9000–9999Assigned ONVOY, LLC - AL 604E COFFEEVL AL
2018-12-04 251-278-0XXX 0000–0999Assigned ONVOY, LLC - AL 604E FAIRHOPE AL
2018-12-04 251-278-1XXX 1000–1999Assigned ONVOY, LLC - AL 604E FAIRHOPE AL
2018-12-04 251-290-1XXX 1000–1999Assigned ONVOY, LLC - AL 604E GRAND BAY AL
2018-12-04 251-290-9XXX 9000–9999Assigned ONVOY, LLC - AL 604E GRAND BAY AL
2018-12-04 251-302-6XXX 6000–6999Assigned ONVOY, LLC - AL 604E MONROEVL AL
2018-12-04 251-302-7XXX 7000–7999Assigned ONVOY, LLC - AL 604E MONROEVL AL
2018-12-04 251-306-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E IRNGTNSTEL AL
2018-12-04 251-306-9XXX 9000–9999Assigned ONVOY, LLC - AL 604E IRNGTNSTEL AL
2018-12-04 251-357-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E HUXFORD AL
2018-12-04 251-357-9XXX 9000–9999Assigned ONVOY, LLC - AL 604E HUXFORD AL
2018-12-03 251-264-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 MOBILE AL
2018-11-19 251-572-1XXX 1000–1999Assigned ONVOY, LLC - AL 604E FRISCOCITY AL
2018-11-19 251-572-2XXX 2000–2999Assigned ONVOY, LLC - AL 604E FRISCOCITY AL
2018-10-31 251-200-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 FOLEY AL
2018-10-19 251-264-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MOBILE AL
2018-10-16 251-651-7XXX 7000–7999Assigned ONVOY, LLC - AL 604E BAYMINETTE AL
2018-10-16 251-651-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E BAYMINETTE AL
2018-10-10 251-307-1XXX 1000–1999Assigned TELEPAK NETWORKS, INC. - AL 947G MOBILE AL
2018-10-01 251-360-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 GROVE HILL AL
2018-09-28 251-292-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F MELVIN AL
2018-09-20 251-351-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E BEATRICE AL
2018-09-20 251-451-4XXX 4000–4999Assigned ONVOY, LLC - AL 604E GOSPORT AL
2018-09-20 251-551-5XXX 5000–5999Assigned ONVOY, LLC - AL 604E PINE APPLE AL
2018-09-13 251-260-9XXX 9000–9999Assigned TELNYX LLC 073H MELVIN AL
2018-09-12 251-267-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E FRISCOCITY AL
2018-09-12 251-294-6XXX 6000–6999Assigned ONVOY, LLC - AL 604E HUXFORD AL
2018-09-12 251-302-4XXX 4000–4999Assigned ONVOY, LLC - AL 604E MONROEVL AL
2018-09-12 251-312-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E REPTON AL
2018-09-12 251-322-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E ATMORE AL
2018-09-12 251-385-5XXX 5000–5999Assigned ONVOY, LLC - AL 604E MOBILE AL
2018-09-12 251-385-6XXX 6000–6999Assigned ONVOY, LLC - AL 604E MOBILE AL
2018-09-12 251-564-0XXX 0000–0999Assigned ONVOY, LLC - AL 604E PETERMAN AL
2018-09-12 251-577-7XXX 7000–7999Assigned ONVOY, LLC - AL 604E MCCULLOUGH AL
2018-09-12 251-714-7XXX 7000–7999Assigned ONVOY, LLC - AL 604E FINCHBURG AL
2018-09-12 251-765-0XXX 0000–0999Assigned ONVOY, LLC - AL 604E EXCEL AL
2018-09-12 251-862-6XXX 6000–6999Assigned ONVOY, LLC - AL 604E URIAH AL
2018-08-30 251-250-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BAYMINETTE AL
2018-08-30 251-313-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E DAUPHIN IS AL
2018-08-30 251-580-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BAYMINETTE AL
2018-08-27 251-257-2XXX 2000–2999Assigned ONVOY, LLC - AL 604E BELLEFONTN AL
2018-08-27 251-257-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E BELLEFONTN AL
2018-08-27 251-314-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E BREWTON AL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.