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.

NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 985

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-985 A Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 0 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 1 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 2 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 3 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 4 Oakland: Main-Piedmont DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-21   
510-985 5 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 6 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 7 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 8 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-985 9 Oakland: Main-Piedmont DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-10-08   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.