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: MTVWCA11DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-943 5 Mountain View CA 9740 PACIFIC BELL 722      
650-943 7 Mountain View CA 9740 PACIFIC BELL 722      
650-944 A Mountain View CA 9740 PACIFIC BELL 722      
650-944 0 Mountain View CA 9740 PACIFIC BELL 722      
650-944 1 Mountain View CA 9740 PACIFIC BELL 722      
650-944 2 Mountain View CA 9740 PACIFIC BELL 722      
650-944 3 Mountain View CA 9740 PACIFIC BELL 722      
650-944 4 Mountain View CA 9740 PACIFIC BELL 722      
650-944 5 Mountain View CA 9740 PACIFIC BELL 722      
650-944 6 Mountain View CA 9740 PACIFIC BELL 722      
650-944 7 Mountain View CA 9740 PACIFIC BELL 722      
650-944 8 Mountain View CA 9740 PACIFIC BELL 722      
650-988 A Mountain View CA 9740 PACIFIC BELL 722      
650-988 0 Mountain View CA 9740 PACIFIC BELL 722      
650-988 1 Mountain View CA 9740 PACIFIC BELL 722      
650-988 2 Mountain View CA 9740 PACIFIC BELL 722      
650-988 3 Mountain View CA 9740 PACIFIC BELL 722      
650-988 4 Mountain View CA 9740 PACIFIC BELL 722      
650-988 6 Mountain View CA 9740 PACIFIC BELL 722      
650-988 7 Mountain View CA 9740 PACIFIC BELL 722      
650-988 8 Mountain View CA 9740 PACIFIC BELL 722      
650-988 9 Mountain View CA 9740 PACIFIC BELL 722      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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