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: 943

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-943 A Richwood OH RCWDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-943 1 Richwood OH   0615 FRONTIER NORTH, INC. - OH 324      
740-943 2 Richwood OH   0615 FRONTIER NORTH, INC. - OH 324      
740-943 3 Richwood OH   0615 FRONTIER NORTH, INC. - OH 324      
740-943 4 Richwood OH   464C ONVOY, LLC - OH 324   2020-04-23   
740-943 5 Richwood OH   0615 FRONTIER NORTH, INC. - OH 324      
740-943 6 Richwood OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   
740-943 7 Richwood OH   464C ONVOY, LLC - OH 324   2020-04-23   
740-943 8 Richwood OH   7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2005-03-12   
740-943 9 Richwood OH   145J TERRA NOVA TELECOM INC. 324   2025-07-24   

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

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