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: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-878 A Lafayette CA   6529 T-MOBILE USA, INC. 722      
925-878 0 Lafayette CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2023-10-27   
925-878 1 Lafayette CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-878 2 Lafayette CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-01-23   
925-878 3 Lafayette CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2023-10-27   
925-878 4 Lafayette CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2023-09-08   
925-878 5 Lafayette CA   6529 T-MOBILE USA, INC. 722      
925-878 6 Lafayette CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2023-07-24   
925-878 7 Lafayette CA   145J TERRA NOVA TELECOM INC. 722   2024-05-11   
925-878 8 Lafayette CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2006-08-30   
925-878 9 Lafayette CA   6529 T-MOBILE USA, INC. 722      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.