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
2005-12-16 251-508-0XXX 0000–0999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-12-16 251-508-3XXX 3000–3999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-12-16 251-643-6XXX 6000–6999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-12-16 251-643-8XXX 8000–8999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-12-12 251-295-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 MOBILE AL
2005-12-08 251-213-4XXX 4000–4999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 FOLEY AL
2005-12-08 251-508-8XXX 8000–8999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-12-08 251-508-9XXX 9000–9999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-12-01 251-459-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-459-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-459-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-459-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-459-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-581-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-581-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-581-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-581-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-12-01 251-581-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-11-22 251-213-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FOLEY AL
2005-11-10 251-243-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 MOBILE AL
2005-11-10 251-589-5XXX 5000–5999Assigned SOUTHERN COMMUNICATIONS SERVICES, INC. 6744 JACKSON AL
2005-11-04 251-214-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-11-04 251-214-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-11-04 251-214-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-11-04 251-214-7XXX 7000–7999Assigned METROPCS, INC. 5562 MOBILE AL
2005-11-04 251-214-8XXX 8000–8999Assigned METROPCS, INC. 5562 MOBILE AL
2005-11-04 251-214-9XXX 9000–9999Assigned METROPCS, INC. 5562 MOBILE AL
2005-11-04 251-406-3XXX 3000–3999Assigned METROPCS, INC. 5562 MOBILE AL
2005-11-04 251-406-6XXX 6000–6999Assigned METROPCS, INC. 5562 MOBILE AL
2005-11-03 251-269-3XXX 3000–3999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 FOLEY AL
2005-10-21 251-650-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MOBILE AL
2005-10-14 251-214-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-10-14 251-214-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-10-14 251-214-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2005-10-05 251-382-2XXX 2000–2999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-10-05 251-382-4XXX 4000–4999Assigned METROPCS, INC. 5562 MOBILE AL
2005-09-29 251-234-7XXX 7000–7999Assigned METROPCS, INC. 5562 MOBILE AL
2005-09-29 251-234-8XXX 8000–8999Assigned METROPCS, INC. 5562 MOBILE AL
2005-09-29 251-370-2XXX 2000–2999Assigned METROPCS, INC. 5562 MOBILE AL
2005-09-19 251-623-5XXX 5000–5999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MOBILE AL
2005-09-12 251-654-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 MOBILE AL
2005-08-23 251-259-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 MOBILE AL
2005-08-18 251-269-2XXX 2000–2999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 FOLEY AL
2005-08-18 251-609-8XXX 8000–8999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 FOLEY AL
2005-07-29 251-233-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FOLEY AL
2005-07-05 251-382-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MOBILE AL
2005-06-23 251-517-5XXX 5000–5999Assigned TELEPAK NETWORKS, INC. - AL 947G FAIRHOPE AL
2005-06-08 251-269-1XXX 1000–1999Assigned METROPCS, INC. 5562 FOLEY AL
2005-06-08 251-518-4XXX 4000–4999Assigned METROPCS, INC. 5562 MOBILE AL
2005-06-08 251-518-7XXX 7000–7999Assigned METROPCS, INC. 5562 MOBILE 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.