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.

Switch: SNFCCA21DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-670 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-670 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-670 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-736 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-736 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-736 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2007-08-29   
415-744 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-744 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-808 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-817 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-896 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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