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: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-422 A San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 0 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 1 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 2 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 3 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 4 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 5 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 6 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 7 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 8 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-422 9 San Martin CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.