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.
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Switch: SNVACA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-336 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-338 A Sunnyvale CA 9740 PACIFIC BELL 722   2006-05-07   
408-400 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-419 A Sunnyvale CA 9740 PACIFIC BELL 722   2006-12-27   
408-541 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-542 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-543 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-548 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-734 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-742 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-743 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-744 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-745 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-747 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-752 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-756 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-936 A Sunnyvale CA 9740 PACIFIC BELL 722      

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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