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: SNFCCA14DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-242 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-504 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-504 6 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-504 7 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-504 8 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-564 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-566 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-661 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-664 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-665 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-681 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 0 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 1 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 2 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 3 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 5 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 7 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 8 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-682 9 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-731 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 0 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 1 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 2 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 3 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 4 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 5 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 6 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 7 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-753 8 San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      
415-759 A San Francisco: Montrose-Evergreen DA CA 9740 PACIFIC BELL 722      

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

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