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: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 963

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-963 A Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 0 Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 1 Mountain View CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-963 2 Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 3 Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 4 Mountain View CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-963 5 Mountain View CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-963 6 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-963 7 Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 8 Mountain View CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-963 9 Mountain View CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 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.