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: 995

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-995 A Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-995 0 Oakland: Alameda DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-23   
510-995 1 Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-995 2 Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-995 3 Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-995 4 Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-995 5 Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-995 6 Oakland: Alameda DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-23   
510-995 7 Oakland: Alameda DA CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2008-08-30   
510-995 8 Oakland: Alameda DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-02-11   
510-995 9 Oakland: Alameda DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.