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: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-688 A Campbell CA SNJSCAMC1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
408-688 0 Campbell CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2001-06-14   
408-688 1 Campbell CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-06-06   
408-688 2 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-688 3 Campbell CA SNJSCAMC1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
408-688 4 Campbell CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2006-01-08   
408-688 5 Campbell CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-03-14   
408-688 6 Campbell CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-09-09   
408-688 7 Campbell CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-09-09   
408-688 8 Campbell CA SNJSCAMC1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
408-688 9 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.