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: 965

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-965 A Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 0 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 1 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 2 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-07   
510-965 3 Richmond CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-08-10   
510-965 4 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 5 Richmond CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-08-10   
510-965 6 Richmond CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2001-09-03   
510-965 7 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
510-965 8 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
510-965 9 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.