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
415-622 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-622 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-622 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-622 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-622 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-623 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-623 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-623 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-623 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-623 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-623 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-627 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-636 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-636 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-646 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-646 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-646 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-646 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-646 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-658 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-658 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-658 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-658 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-658 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-658 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-670 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-670 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-675 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-676 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-676 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-676 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-676 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-676 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-676 6 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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