Local Calling Guide

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

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-421 A Cambridge OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-421 0 Cambridge OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2010-01-24   
740-421 1 Cambridge OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2018-09-23   
740-421 2 Cambridge OH CLMFOHJU5MD  5562 METROPCS, INC. 324   2022-09-30   
740-421 3 Cambridge OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2010-02-15   
740-421 4 Cambridge OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-421 5 Cambridge OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-421 6 Cambridge OH WOTNOHEHAMD  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324   2014-02-19   
740-421 7 Cambridge OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-421 8 Cambridge OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-421 9 Cambridge OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2013-10-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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