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: MTVWCA11DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-210 A Mountain View CA 9740 PACIFIC BELL 722      
650-404 A Mountain View CA 9740 PACIFIC BELL 722      
650-564 A Mountain View CA 9740 PACIFIC BELL 722      
650-584 A Mountain View CA 9740 PACIFIC BELL 722      
650-603 A Mountain View CA 9740 PACIFIC BELL 722      
650-604 A Mountain View CA 9740 PACIFIC BELL 722      
650-623 A Mountain View CA 9740 PACIFIC BELL 722      
650-625 A Mountain View CA 9740 PACIFIC BELL 722      
650-691 A Mountain View CA 9740 PACIFIC BELL 722      
650-694 A Mountain View CA 9740 PACIFIC BELL 722      
650-864 A Mountain View CA 9740 PACIFIC BELL 722      
650-934 A Mountain View CA 9740 PACIFIC BELL 722      
650-940 A Mountain View CA 9740 PACIFIC BELL 722      
650-960 A Mountain View CA 9740 PACIFIC BELL 722      
650-961 A Mountain View CA 9740 PACIFIC BELL 722      
650-962 A Mountain View CA 9740 PACIFIC BELL 722      
650-964 A Mountain View CA 9740 PACIFIC BELL 722      
650-965 A Mountain View CA 9740 PACIFIC BELL 722      
650-966 A Mountain View CA 9740 PACIFIC BELL 722      
650-967 A Mountain View CA 9740 PACIFIC BELL 722      
650-968 A Mountain View CA 9740 PACIFIC BELL 722      
650-969 A Mountain View CA 9740 PACIFIC BELL 722      

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

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