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: SNFCCA01DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-678 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-678 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-678 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-678 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-693 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-705 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-773 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-834 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-835 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 9 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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