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: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-200 A San Francisco: Central DA CA   515J IP HORIZON LLC 722      
415-200 0 San Francisco: Central DA CA   515J IP HORIZON LLC 722      
415-200 1 San Francisco: Central DA CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722      
415-200 2 San Francisco: Central DA CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722      
415-200 3 San Francisco: Central DA CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722      
415-200 4 San Francisco: Central DA CA   515J IP HORIZON LLC 722      
415-200 5 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-200 6 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-200 7 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-200 8 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-200 9 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.