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: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-743 A Somerset OH SMRTOH74RS1  9321 OHIO BELL TEL CO 324      
740-743 0 Somerset OH   9321 OHIO BELL TEL CO 324      
740-743 1 Somerset OH   9321 OHIO BELL TEL CO 324      
740-743 2 Somerset OH   9321 OHIO BELL TEL CO 324      
740-743 3 Somerset OH   9321 OHIO BELL TEL CO 324      
740-743 4 Somerset OH   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2014-04-15   
740-743 5 Somerset OH   508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-04-03   
740-743 6 Somerset OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   
740-743 7 Somerset OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2010-02-20   
740-743 8 Somerset OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2011-03-13   
740-743 9 Somerset OH   9321 OHIO BELL TEL CO 324      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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