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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-219 A Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 0 Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 1 Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 2 Antioch CA   6529 T-MOBILE USA, INC. 722   2005-06-21   
925-219 3 Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 4 Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 5 Antioch CA   6529 T-MOBILE USA, INC. 722   2005-06-21   
925-219 6 Antioch CA   6529 T-MOBILE USA, INC. 722   2006-04-06   
925-219 7 Antioch CA   6529 T-MOBILE USA, INC. 722   2007-05-25   
925-219 8 Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 9 Antioch CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.