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: RDCYCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-216 A Redwood City CA 9740 PACIFIC BELL 722      
650-261 A Redwood City CA 9740 PACIFIC BELL 722      
650-298 A Redwood City CA 9740 PACIFIC BELL 722      
650-299 A Redwood City CA 9740 PACIFIC BELL 722      
650-306 A Redwood City CA 9740 PACIFIC BELL 722      
650-361 A Redwood City CA 9740 PACIFIC BELL 722      
650-363 A Redwood City CA 9740 PACIFIC BELL 722      
650-364 A Redwood City CA 9740 PACIFIC BELL 722      
650-365 A Redwood City CA 9740 PACIFIC BELL 722      
650-366 A Redwood City CA 9740 PACIFIC BELL 722      
650-367 A Redwood City CA 9740 PACIFIC BELL 722      
650-368 A Redwood City CA 9740 PACIFIC BELL 722      
650-369 A Redwood City CA 9740 PACIFIC BELL 722      
650-381 A Redwood City CA 9740 PACIFIC BELL 722      
650-474 A Redwood City CA 9740 PACIFIC BELL 722      
650-482 A Redwood City CA 9740 PACIFIC BELL 722      
650-542 A Redwood City CA 9740 PACIFIC BELL 722      
650-556 A Redwood City CA 9740 PACIFIC BELL 722      
650-562 A Redwood City CA 9740 PACIFIC BELL 722      
650-568 A Redwood City CA 9740 PACIFIC BELL 722      
650-569 A Redwood City CA 9740 PACIFIC BELL 722      
650-599 A Redwood City CA 9740 PACIFIC BELL 722      
650-701 A Redwood City CA 9740 PACIFIC BELL 722      
650-780 A Redwood City CA 9740 PACIFIC BELL 722      
650-786 A Redwood City CA 9740 PACIFIC BELL 722      
650-817 A Redwood City CA 9740 PACIFIC BELL 722      
650-839 A Redwood City CA 9740 PACIFIC BELL 722      
650-995 A Redwood City CA 9740 PACIFIC BELL 722      

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

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