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: 690

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-690 A Palo Alto CA SNFCCA01DS5  7421 AT&T - LOCAL 722      
650-690 0 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-10-03   
650-690 1 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-10-03   
650-690 2 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-09-06   
650-690 3 Palo Alto CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-04-24   
650-690 4 Palo Alto CA OKLECAZVGT0  5562 METROPCS, INC. 722   2009-01-17   
650-690 5 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-02-05   
650-690 6 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-09-06   
650-690 7 Palo Alto CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2008-09-11   
650-690 8 Palo Alto CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2008-09-11   
650-690 9 Palo Alto CA SNFCCA01DS5  7421 AT&T - LOCAL 722      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.