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: SNFCCA04DS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-832 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-832 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-837 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-861 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-863 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-864 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-865 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
628-242 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
628-242 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2015-05-10   
628-242 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722   2015-05-10   

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

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