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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-528 A Mountain View CA 9740 PACIFIC BELL 722      
650-528 0 Mountain View CA 9740 PACIFIC BELL 722      
650-528 1 Mountain View CA 9740 PACIFIC BELL 722      
650-528 3 Mountain View CA 9740 PACIFIC BELL 722      
650-528 4 Mountain View CA 9740 PACIFIC BELL 722      
650-528 5 Mountain View CA 9740 PACIFIC BELL 722      
650-528 6 Mountain View CA 9740 PACIFIC BELL 722      
650-528 7 Mountain View CA 9740 PACIFIC BELL 722      
650-528 8 Mountain View CA 9740 PACIFIC BELL 722      
650-528 9 Mountain View CA 9740 PACIFIC BELL 722      
650-567 A Mountain View CA 9740 PACIFIC BELL 722      
650-567 1 Mountain View CA 9740 PACIFIC BELL 722      
650-567 8 Mountain View CA 9740 PACIFIC BELL 722      
650-567 9 Mountain View CA 9740 PACIFIC BELL 722      
650-903 A Mountain View CA 9740 PACIFIC BELL 722      
650-903 0 Mountain View CA 9740 PACIFIC BELL 722      
650-903 1 Mountain View CA 9740 PACIFIC BELL 722      
650-903 2 Mountain View CA 9740 PACIFIC BELL 722      
650-903 3 Mountain View CA 9740 PACIFIC BELL 722      
650-903 4 Mountain View CA 9740 PACIFIC BELL 722      
650-903 5 Mountain View CA 9740 PACIFIC BELL 722      
650-903 6 Mountain View CA 9740 PACIFIC BELL 722      
650-903 8 Mountain View CA 9740 PACIFIC BELL 722      
650-903 9 Mountain View CA 9740 PACIFIC BELL 722      
650-919 A Mountain View CA 9740 PACIFIC BELL 722      
650-919 0 Mountain View CA 9740 PACIFIC BELL 722      
650-919 1 Mountain View CA 9740 PACIFIC BELL 722      
650-919 2 Mountain View CA 9740 PACIFIC BELL 722      
650-919 5 Mountain View CA 9740 PACIFIC BELL 722      
650-919 6 Mountain View CA 9740 PACIFIC BELL 722      
650-919 7 Mountain View CA 9740 PACIFIC BELL 722      
650-919 9 Mountain View CA 9740 PACIFIC BELL 722      
650-932 A Mountain View CA 9740 PACIFIC BELL 722      
650-933 A Mountain View CA 9740 PACIFIC BELL 722      
650-933 1 Mountain View CA 9740 PACIFIC BELL 722      
650-937 A Mountain View CA 9740 PACIFIC BELL 722      
650-937 0 Mountain View CA 9740 PACIFIC BELL 722      
650-937 1 Mountain View CA 9740 PACIFIC BELL 722      
650-937 2 Mountain View CA 9740 PACIFIC BELL 722      
650-937 3 Mountain View CA 9740 PACIFIC BELL 722      
650-937 4 Mountain View CA 9740 PACIFIC BELL 722      
650-937 5 Mountain View CA 9740 PACIFIC BELL 722      
650-937 6 Mountain View CA 9740 PACIFIC BELL 722      
650-937 7 Mountain View CA 9740 PACIFIC BELL 722      
650-937 8 Mountain View CA 9740 PACIFIC BELL 722      
650-938 A Mountain View CA 9740 PACIFIC BELL 722      
650-943 A Mountain View CA 9740 PACIFIC BELL 722      
650-943 1 Mountain View CA 9740 PACIFIC BELL 722      
650-943 2 Mountain View CA 9740 PACIFIC BELL 722      
650-943 4 Mountain View CA 9740 PACIFIC BELL 722      

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

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