Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Radnor, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-595 A RDNROHXARL0  0615 FRONTIER NORTH, INC. - OH 324      
740-595 0 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2018-09-20   
740-595 1 CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-22   
740-595 2 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-06-25   
740-595 3 RDNROHXARL0  0615 FRONTIER NORTH, INC. - OH 324      
740-595 4 CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-04-10   
740-595 5 CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2008-03-21   
740-595 6 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   
740-595 7 CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-08   
740-717 A DLWROHXASMD  624H ONVOY SPECTRUM, LLC 324      
740-717 7 DLWROHXASMD  624H ONVOY SPECTRUM, LLC 324   2023-06-12   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.