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: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-719 A West Milton OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328      
937-719 0 West Milton OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2007-03-05   
937-719 1 West Milton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2009-01-04   
937-719 2 West Milton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2014-07-11   
937-719 3 West Milton OH   793K TWC IP ENABLED SERVICES, LLC 328   2007-02-16   
937-719 4 West Milton OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2005-04-16   
937-719 5 West Milton OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2017-06-23   
937-719 6 West Milton OH DYTNOH22XEY  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 328   2014-10-27   
937-719 7 West Milton OH DYTNOHIBX2X  508J CENTURYLINK COMMUNICATIONS, LLC 328   2014-06-01   
937-719 8 West Milton OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2019-11-19   
937-719 9 West Milton OH   793K TWC IP ENABLED SERVICES, LLC 328   2013-10-10   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.