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: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-617 A San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 0 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 1 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 2 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 3 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 4 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 5 San Francisco: Central DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-617 6 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 7 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 8 San Francisco: Central DA CA SNFCCA01DS2  9740 PACIFIC BELL 722      
415-617 9 San Francisco: Central DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.