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: SNFCCA06DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-239 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-333 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-334 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-337 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-338 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-404 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-405 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-406 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-452 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-469 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-582 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-584 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-585 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-586 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-587 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      
415-841 A San Francisco: Juniper DA CA 9740 PACIFIC BELL 722      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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