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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-447 A Mountain View CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-447 0 Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-447 1 Mountain View CA SNJUCACL3MD  073H TELNYX LLC 722      
650-447 2 Mountain View CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-447 3 Mountain View CA SNFCCA01XGX  516C AT&T CORP. 722      
650-447 4 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-447 5 Mountain View CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-447 6 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-447 7 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-447 8 Mountain View CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-447 9 Mountain View CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.