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: SNFCCA01DS2

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-743 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-743 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-774 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-781 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-782 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-788 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-912 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-912 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-912 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-912 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-912 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-951 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-955 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-981 A 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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