NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

9 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 256
ONVOY, LLC - AL 5
NEW CINGULAR WIRELESS PCS, LLC - GA 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 1
AHOI LLC 1
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
2014-02-26 256-363-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MRNSCRSRDS AL
2014-02-26 256-396-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 LINEVILLE AL
2014-02-26 256-449-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 WOODLAND AL
2014-02-26 256-485-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GADSDEN AL
2014-02-26 256-581-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J OHATCHEE AL
2014-02-26 256-600-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J JACKSONVL AL
2014-02-26 256-645-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PIEDMONT AL
2014-02-26 256-660-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ALBERTVL AL
2014-02-26 256-662-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 VALLEYHEAD AL
2014-02-26 256-691-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ATTALLA AL
2014-02-26 256-745-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MUNFORD AL
2014-02-26 256-748-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 LECTA AL
2014-02-26 256-914-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 WADLEY AL
2014-02-26 256-926-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HEFLIN AL
2014-02-25 256-253-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 CHULAFINNE AL
2014-02-25 256-402-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 DELTA AL
2014-02-25 256-408-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ASHLAND AL
2014-02-25 256-414-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ALEXANDRCY AL
2014-02-25 256-598-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CHILDERSBG AL
2014-02-25 256-615-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CULLMAN AL
2014-02-25 256-743-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GOODWATER AL
2014-02-25 256-853-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J DADEVILLE AL
2014-02-24 256-377-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 ROCKFORD AL
2014-02-24 256-872-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SYLACAUGA AL
2014-02-20 256-202-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F GUNTERSVL AL
2014-02-20 256-203-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F HUNTSVILLE AL
2014-02-20 256-203-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F HUNTSVILLE AL
2014-02-20 256-203-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F HUNTSVILLE AL
2014-02-20 256-203-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F HUNTSVILLE AL
2014-02-20 256-203-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F HUNTSVILLE AL
2014-02-20 256-224-1XXX 1000–1999Assigned POWERTEL BIRMINGHAM LICENSES, INC. 7475 ARAB AL
2014-02-20 256-224-2XXX 2000–2999Assigned POWERTEL BIRMINGHAM LICENSES, INC. 7475 ARAB AL
2014-02-20 256-224-3XXX 3000–3999Assigned POWERTEL BIRMINGHAM LICENSES, INC. 7475 ARAB AL
2014-02-20 256-224-4XXX 4000–4999Assigned POWERTEL BIRMINGHAM LICENSES, INC. 7475 ARAB AL
2014-02-20 256-251-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F BOAZ AL
2014-02-20 256-304-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F FORT PAYNE AL
2014-02-20 256-333-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F RED BAY AL
2014-02-20 256-401-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F SYLACAUGA AL
2014-02-20 256-432-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F DECATUR AL
2014-02-20 256-434-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F ATHENS AL
2014-02-20 256-447-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F PIEDMONT AL
2014-02-20 256-487-6XXX 6000–6999Assigned CHARTER IP ENABLED SERVICES, LLC 792K SYLACAUGA AL
2014-02-20 256-502-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F HARTSELLE AL
2014-02-20 256-510-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F CHILDERSBG AL
2014-02-20 256-531-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F CULLMAN AL
2014-02-20 256-542-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F MADISON AL
2014-02-20 256-548-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F STEVENSON AL
2014-02-20 256-576-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F LEIGHTON AL
2014-02-20 256-600-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F JACKSONVL AL
2014-02-20 256-615-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F CULLMAN AL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.