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: 669 [Rate centres in NPA 669] [Dial plan for NPA 669]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
669-777 A Sunnyvale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
669-777 0 Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
669-777 1 Sunnyvale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
669-777 2 Sunnyvale CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722      
669-777 3 Sunnyvale CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
669-777 4 Sunnyvale CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
669-777 5 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
669-777 6 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
669-777 7 Sunnyvale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
669-777 8 Sunnyvale CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
669-777 9 Sunnyvale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.