Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-521 A Palo Alto CA SNJSCABAPS0  7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 722   2005-09-25   
650-521 0 Palo Alto CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 722   2005-09-25   
650-521 1 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-18   
650-521 2 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-18   
650-521 3 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-18   
650-521 4 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-18   
650-521 5 Palo Alto CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-02-14   
650-521 6 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-01   
650-521 7 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-01   
650-521 8 Palo Alto CA   7453 U.S. TELEPACIFIC CORP. - CA 722   2007-09-10   
650-521 9 Palo Alto CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-02-14   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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