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: 219

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-219 A Dayton OH DYTNOH22X0Z  6529 T-MOBILE USA, INC. 328      
937-219 0 Dayton OH   6529 T-MOBILE USA, INC. 328   2011-03-03   
937-219 1 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 2 Dayton OH   7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328   2003-03-23   
937-219 3 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 4 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 5 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 6 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 7 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 8 Dayton OH   6529 T-MOBILE USA, INC. 328      
937-219 9 Dayton OH   5562 METROPCS, INC. 328      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.