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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-370 A Campbell CA 9740 PACIFIC BELL 722      
408-370 0 Campbell CA 9740 PACIFIC BELL 722      
408-370 1 Campbell CA 9740 PACIFIC BELL 722      
408-370 2 Campbell CA 9740 PACIFIC BELL 722      
408-370 3 Campbell CA 9740 PACIFIC BELL 722      
408-370 4 Campbell CA 9740 PACIFIC BELL 722      
408-370 5 Campbell CA 9740 PACIFIC BELL 722      
408-370 6 Campbell CA 9740 PACIFIC BELL 722      
408-370 7 Campbell CA 9740 PACIFIC BELL 722      
408-370 9 Campbell CA 9740 PACIFIC BELL 722      
408-376 A Campbell CA 9740 PACIFIC BELL 722      
408-376 0 Campbell CA 9740 PACIFIC BELL 722      
408-376 2 Campbell CA 9740 PACIFIC BELL 722      
408-376 3 Campbell CA 9740 PACIFIC BELL 722      
408-376 4 Campbell CA 9740 PACIFIC BELL 722      
408-376 5 Campbell CA 9740 PACIFIC BELL 722      
408-376 6 Campbell CA 9740 PACIFIC BELL 722      
408-376 7 Campbell CA 9740 PACIFIC BELL 722      
408-376 8 Campbell CA 9740 PACIFIC BELL 722      
408-376 9 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      
408-517 0 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 1 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 2 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 3 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 4 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 6 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 7 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 8 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-517 9 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      
408-741 0 Saratoga CA 9740 PACIFIC BELL 722      
408-741 1 Saratoga CA 9740 PACIFIC BELL 722      
408-741 2 Saratoga CA 9740 PACIFIC BELL 722      
408-741 3 Saratoga CA 9740 PACIFIC BELL 722      
408-741 4 Saratoga CA 9740 PACIFIC BELL 722      
408-741 5 Saratoga CA 9740 PACIFIC BELL 722      
408-741 7 Saratoga CA 9740 PACIFIC BELL 722      
408-741 8 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      
408-865 0 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-865 1 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-865 2 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-865 3 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-865 4 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-865 5 San Jose: West DA CA 9740 PACIFIC BELL 722      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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