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: OKLDCA12DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-425 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-425 0 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-425 2 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-430 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-544 2 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-562 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 0 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 1 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 2 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 5 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 6 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 8 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-567 9 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-568 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-569 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-632 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-633 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-635 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 0 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 1 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 2 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 3 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 4 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 7 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 8 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-636 9 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-638 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-639 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 A Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 0 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 4 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 6 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 7 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 8 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      
510-729 9 Oakland: Trinidad DA CA 9740 PACIFIC BELL 722      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.