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: SNJSCA21DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-382 A San Jose: North DA CA 9740 PACIFIC BELL 722      
408-392 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-436 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-437 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-441 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-451 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-452 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-453 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-467 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-487 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-501 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-546 A San Jose: North DA CA 9740 PACIFIC BELL 722      
408-571 A San Jose: North DA CA 9740 PACIFIC BELL 722      
408-573 A San Jose: West DA CA 9740 PACIFIC BELL 722      
408-750 A San Jose: North DA CA 9740 PACIFIC BELL 722      
408-965 A San Jose: North DA CA 9740 PACIFIC BELL 722      
408-967 A San Jose: West DA CA 9740 PACIFIC BELL 722      

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

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