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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-664 A Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-664 0 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-664 1 Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-664 2 Sunnyvale CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
408-664 3 Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-664 4 Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-664 5 Sunnyvale CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722      
408-664 6 Sunnyvale CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-664 7 Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-664 8 Sunnyvale CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-664 9 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.