Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-320 A Cadiz OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-320 0 Cadiz OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-320 4 Cadiz OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2015-07-18   
740-320 7 Cadiz OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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