NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

3 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 740
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 2
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
2010-02-19 740-823-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 LOGAN OH
2010-02-19 740-856-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 ATHENS OH
2010-02-17 740-326-1XXX 1000–1999Assigned TWC IP ENABLED SERVICES, LLC 793K MT VERNON OH
2010-02-09 740-641-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEWARK OH
2010-02-09 740-673-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 UHRICHSVL OH
2010-02-04 740-313-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 WSNGTNCTHS OH
2010-02-04 740-542-3XXX 3000–3999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-542-4XXX 4000–4999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-542-5XXX 5000–5999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-542-6XXX 6000–6999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-542-7XXX 7000–7999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-542-8XXX 8000–8999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-637-6XXX 6000–6999Assigned CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
2010-02-04 740-794-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7836 GALLIPOLIS OH
2010-02-03 740-421-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 CAMBRIDGE OH
2010-01-29 740-461-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 STEUBENVL OH
2010-01-29 740-461-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 STEUBENVL OH
2010-01-29 740-751-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 MARION OH
2010-01-21 740-237-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F IRONTON OH
2010-01-21 740-473-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F NEWPORT OH
2010-01-21 740-743-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F SOMERSET OH
2010-01-15 740-652-7XXX 7000–7999Assigned OHIO BELL TEL CO 9321 LANCASTER OH
2010-01-13 740-598-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 BRILLIANT OH
2010-01-07 740-457-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 STEUBENVL OH
2010-01-07 740-538-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 MARIETTA OH
2009-12-31 740-421-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CAMBRIDGE OH
2009-12-30 740-552-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 COSHOCTON OH
2009-12-30 740-621-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 NEWLXINGTN OH
2009-12-30 740-823-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 LOGAN OH
2009-12-28 740-988-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 JACKSON OH
2009-12-10 740-988-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 JACKSON OH
2009-12-09 740-858-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PORTSMOUTH OH
2009-12-09 740-858-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PORTSMOUTH OH
2009-12-07 740-324-1XXX 1000–1999Assigned AERIAL COMMUNICATIONS, INC. 6701 MT VERNON OH
2009-12-07 740-613-7XXX 7000–7999Assigned AT&T ENTERPRISES, LLC 516C BLOOMINGBG OH
2009-12-04 740-818-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 ATHENS OH
2009-12-04 740-818-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 ATHENS OH
2009-12-04 740-827-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 STCLAIRSVL OH
2009-12-04 740-827-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 STCLAIRSVL OH
2009-11-19 740-637-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CHILLICOTH OH
2009-11-11 740-232-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STCLAIRSVL OH
2009-11-05 740-457-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 STEUBENVL OH
2009-11-05 740-853-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 GALLIPOLIS OH
2009-11-04 740-307-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 IRONTON OH
2009-11-04 740-961-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PORTSMOUTH OH
2009-10-30 740-302-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 IRONTON OH
2009-10-27 740-995-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CAMBRIDGE OH
2009-10-23 740-575-1XXX 1000–1999Assigned AERIAL COMMUNICATIONS, INC. 6701 COSHOCTON OH
2009-10-23 740-856-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 ATHENS OH
2009-10-13 740-274-5XXX 5000–5999Assigned AERIAL COMMUNICATIONS, INC. 6701 ATHENS OH

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.