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: SNJSCA12DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-370 A Campbell CA 9740 PACIFIC BELL 722      
408-376 A Campbell CA 9740 PACIFIC BELL 722      
408-446 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-447 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-725 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-741 A Saratoga CA 9740 PACIFIC BELL 722      
408-864 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-865 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-866 A Campbell CA 9740 PACIFIC BELL 722      
408-871 A Campbell CA 9740 PACIFIC BELL 722      
408-872 A Saratoga CA 9740 PACIFIC BELL 722      
408-873 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-973 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-996 A San Jose: West DA CA 9740 PACIFIC BELL 722      

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

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