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
415-839 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-953 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-954 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      

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

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