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: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-917 A Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 0 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 1 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 2 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 3 Martinez CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-917 4 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 5 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 6 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 7 Martinez CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
925-917 8 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-917 9 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.