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: SNTCCA11DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-236 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-241 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-243 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-248 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 0 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 1 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 2 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 3 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 4 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 5 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 6 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 7 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-296 8 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 0 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 2 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 4 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 7 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 8 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-345 9 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 0 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 1 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 2 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 3 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 4 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 5 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 6 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-551 7 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-553 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-554 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-851 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-851 0 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 1 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 2 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 3 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 4 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 5 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 6 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 7 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 8 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-851 9 San Jose: West DA CA 9740 PACIFIC BELL 722   2004-05-07   
408-983 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-984 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 0 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 1 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 2 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 4 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 5 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 6 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 7 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 8 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 9 San Jose: West DA CA 9740 PACIFIC BELL 722      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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