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: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-642 A Kingston OH KGTNOHXARS1  0597 CHILLICOTHE TEL. CO. 324      
740-642 0 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 1 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 2 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 3 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 4 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 5 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 6 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      
740-642 7 Kingston OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2024-02-25   
740-642 8 Kingston OH   793K TWC IP ENABLED SERVICES, LLC 324   2007-10-16   
740-642 9 Kingston OH   0597 CHILLICOTHE TEL. CO. 324      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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