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
415-296 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-296 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-315 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-318 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-318 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-318 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-318 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-362 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-364 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-374 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-374 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-374 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-393 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-395 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-622 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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