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: 659

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-659 A Ansonia OH GNVLOHXANMD  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328      
937-659 7 Ansonia OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2014-06-24   
937-659 9 Ansonia OH GNVLOHXANMD  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2013-10-10   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.