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.

NPA: 937 [Rate centres in NPA 937] [Dial plan for NPA 937]

NXX: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-568 A South Vienna OH SVINOH56RS2  9321 OHIO BELL TEL CO 328      
937-568 0 South Vienna OH DYTNOH22XRY  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2013-10-10   
937-568 1 South Vienna OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC LLC - OH 328   2009-01-04   
937-568 2 South Vienna OH DYTNOH15WMD  516C AT&T CORP. 328   2011-01-19   
937-568 3 South Vienna OH DYTNOH22XRY  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2007-02-16   
937-568 4 South Vienna OH SVINOH56RS2  9321 OHIO BELL TEL CO 328      
937-568 5 South Vienna OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2012-10-15   
937-568 6 South Vienna OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC LLC - OH 328   2012-06-22   
937-568 7 South Vienna OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2005-04-11   
937-568 8 South Vienna OH DYTNOH22XXX  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2004-12-12   
937-568 9 South Vienna OH SVINOH56RS2  9321 OHIO BELL TEL CO 328      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.