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: BKLYCA01DS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-705 8 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-705 9 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-845 A Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-848 A Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 A Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 0 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 1 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 2 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 3 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 4 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 5 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 6 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 7 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      
510-981 8 Oakland: Berkeley DA CA 9740 PACIFIC BELL 722      

<< 1 2

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.