Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 956

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-956 A London OH CLMDOH44VMD  829J PAETEC ITEL, LLC 324      
740-956 0 London OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2023-02-15   
740-956 1 London OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2013-10-08   
740-956 2 London OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2017-09-25   
740-956 3 London OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2021-04-19   
740-956 4 London OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2025-02-07   
740-956 5 London OH WOTNOHEHAMD  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324   2013-08-02   
740-956 6 London OH CLMDOH44VMD  829J PAETEC ITEL, LLC 324   2004-02-09   
740-956 7 London OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2017-12-18   
740-956 8 London OH   515J IP HORIZON LLC 324   2016-10-12   
740-956 9 London OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2024-07-10   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.