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: 736

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-736 A San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722      
415-736 0 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 1 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 2 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 3 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 4 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 5 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 6 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 7 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 8 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   
415-736 9 San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722   2007-08-29   

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

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