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: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-825 A Dayton OH HRTPOHBLGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-825 0 Dayton OH HRTPOHBLGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-825 1 Dayton OH DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2007-12-04   
937-825 2 Dayton OH HRTPOHBLGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-825 3 Dayton OH DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2008-02-11   
937-825 4 Dayton OH DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2008-02-11   
937-825 5 Dayton OH DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2008-02-11   
937-825 6 Dayton OH HRTPOHBLGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-825 7 Dayton OH DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2008-07-16   
937-825 8 Dayton OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2011-09-15   
937-825 9 Dayton OH DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2007-12-04   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.