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.

Summerfield, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-631 A SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-631 0 SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-631 1 CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-22   
740-631 2 CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2007-02-10   
740-631 3 JKTPOHBA0MD  601G HORIZON SERVICES, INC. - OH 324   2012-11-25   
740-631 4 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
740-631 5 WOTNOH88X0Y  506J TWILIO INTERNATIONAL, INC. 324   2021-07-02   
740-631 6 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2018-09-20   
740-631 7 CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-07   
740-838 A SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-838 1 SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-838 3 CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2022-04-24   
740-838 4 SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-838 5 SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-838 6 SRFDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-838 7 CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324   2021-10-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.