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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-314 A Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-314 0 Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-314 1 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-12-20   
650-314 2 Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-314 3 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-01-18   
650-314 4 Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-314 5 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-12-20   
650-314 6 Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-314 7 Mountain View CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-11-16   
650-314 8 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-01-18   
650-314 9 Mountain View CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-03   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.