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: APTSCA12DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-661 A Aptos CA 9740 PACIFIC BELL 722      
831-661 0 Aptos CA 9740 PACIFIC BELL 722      
831-661 4 Aptos CA 9740 PACIFIC BELL 722      
831-661 7 Aptos CA 9740 PACIFIC BELL 722      
831-662 A Aptos CA 9740 PACIFIC BELL 722      
831-684 A Aptos CA 9740 PACIFIC BELL 722      
831-684 0 Aptos CA 9740 PACIFIC BELL 722      
831-684 1 Aptos CA 9740 PACIFIC BELL 722      
831-684 2 Aptos CA 9740 PACIFIC BELL 722      
831-684 4 Aptos CA 9740 PACIFIC BELL 722      
831-685 A Aptos CA 9740 PACIFIC BELL 722      
831-687 A Aptos CA 9740 PACIFIC BELL 722      
831-687 0 Aptos CA 9740 PACIFIC BELL 722      
831-687 1 Aptos CA 9740 PACIFIC BELL 722      
831-687 5 Aptos CA 9740 PACIFIC BELL 722      
831-688 A Aptos CA 9740 PACIFIC BELL 722      
831-689 A Aptos CA 9740 PACIFIC BELL 722      
831-689 0 Aptos CA 9740 PACIFIC BELL 722      
831-689 8 Aptos CA 9740 PACIFIC BELL 722      
831-689 9 Aptos CA 9740 PACIFIC BELL 722      

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

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