Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Watertown, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-749 A BRLWOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-749 0 BRLWOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-749 1 CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-22   
740-749 2 CMBROHXB4MD  464C ONVOY, LLC - OH 324   2021-03-11   
740-749 3 BRLWOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-749 4 CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-07   
740-749 5 CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2008-04-04   
740-749 7 CMBROHXB4MD  464C ONVOY, LLC - OH 324   2018-09-20   
740-749 9 CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324   2024-10-27   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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