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: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-717 A Springfield OH DYTNOH22XTY  6664 SPRINT SPECTRUM, L.P. 328      
937-717 0 Springfield OH   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2015-10-19   
937-717 1 Springfield OH   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2016-03-18   
937-717 2 Springfield OH   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2017-12-17   
937-717 3 Springfield OH   464C ONVOY, LLC - OH 328   2012-02-05   
937-717 4 Springfield OH   6664 SPRINT SPECTRUM, L.P. 328   2007-02-16   
937-717 5 Springfield OH   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2007-06-08   
937-717 6 Springfield OH   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2007-06-08   
937-717 7 Springfield OH   490J DISH WIRELESS, LLC 328   2022-05-21   
937-717 8 Springfield OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2012-05-22   
937-717 9 Springfield OH   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2008-08-01   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.