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: SNVACA01DS1

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-245 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-328 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-481 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 4 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 6 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 7 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-522 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-523 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-524 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-530 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-584 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 4 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 5 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 6 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 7 Sunnyvale CA 9740 PACIFIC BELL 722      
408-616 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-617 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-617 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-617 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-617 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-617 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-720 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-721 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-721 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-730 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-731 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-731 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-731 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-731 4 Sunnyvale CA 9740 PACIFIC BELL 722      
408-731 5 Sunnyvale CA 9740 PACIFIC BELL 722      
408-731 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-732 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-733 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-735 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-736 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-737 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 4 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 5 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 6 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-738 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-739 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 6 Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 7 Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-746 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-749 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 4 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 5 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 7 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-773 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 3 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 5 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 6 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 7 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-774 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-830 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-830 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-830 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-830 2 Sunnyvale CA 9740 PACIFIC BELL 722      
408-830 5 Sunnyvale CA 9740 PACIFIC BELL 722      
408-830 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 A Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 0 Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 1 Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 6 Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 7 Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 8 Sunnyvale CA 9740 PACIFIC BELL 722      
408-991 9 Sunnyvale CA 9740 PACIFIC BELL 722      
408-992 A Sunnyvale CA 9740 PACIFIC BELL 722      

1 2 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.