Local Calling Guide

Area code/prefix search

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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      
740-421 1 Cambridge OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-421 2 Cambridge OH CLMFOHJU5MD  5562 METROPCS, INC. 324      
740-421 3 Cambridge OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324      
740-421 4 Cambridge OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-421 5 Cambridge OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324      
740-421 6 Cambridge OH WOTNOHEHAMD  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324      
740-421 7 Cambridge OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324      
740-421 8 Cambridge OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324      
740-421 9 Cambridge OH   793K TWC IP ENABLED SERVICES, LLC 324      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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