Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-668 6 Los Altos CA 318J COMCAST IP PHONE, LLC 722   2022-10-23   
650-677 4 South San Francisco CA 318J COMCAST IP PHONE, LLC 722   2020-04-03   
650-686 6 Millbrae CA 318J COMCAST IP PHONE, LLC 722   2015-06-17   
650-689 5 Millbrae CA 318J COMCAST IP PHONE, LLC 722      
650-695 5 Mountain View CA 318J COMCAST IP PHONE, LLC 722   2015-03-21   
650-699 1 San Mateo CA 318J COMCAST IP PHONE, LLC 722   2020-10-14   
650-699 4 San Mateo CA 318J COMCAST IP PHONE, LLC 722   2020-10-14   
650-713 5 Half Moon Bay CA 318J COMCAST IP PHONE, LLC 722   2014-03-15   
650-727 3 San Mateo CA 318J COMCAST IP PHONE, LLC 722   2014-08-18   
650-728 6 Moss Beach CA 318J COMCAST IP PHONE, LLC 722   2024-04-22   
650-731 4 San Francisco: Juniper DA CA 318J COMCAST IP PHONE, LLC 722   2007-11-23   
650-733 7 Pacifica CA 318J COMCAST IP PHONE, LLC 722   2011-03-10   
650-735 5 Pacifica CA 318J COMCAST IP PHONE, LLC 722      
650-735 9 Pacifica CA 318J COMCAST IP PHONE, LLC 722   2015-04-21   
650-741 6 South San Francisco CA 318J COMCAST IP PHONE, LLC 722   2010-09-17   
650-745 8 South San Francisco CA 318J COMCAST IP PHONE, LLC 722      
650-752 6 Palo Alto CA 318J COMCAST IP PHONE, LLC 722   2010-12-23   
650-754 6 South San Francisco CA 318J COMCAST IP PHONE, LLC 722   2011-09-30   
650-763 1 South San Francisco CA 318J COMCAST IP PHONE, LLC 722   2008-07-18   
650-781 3 San Mateo CA 318J COMCAST IP PHONE, LLC 722   2015-07-03   
650-782 9 Los Altos CA 318J COMCAST IP PHONE, LLC 722   2022-10-23   
650-800 7 Palo Alto CA 318J COMCAST IP PHONE, LLC 722   2012-06-07   
650-832 1 San Carlos-Belmont CA 318J COMCAST IP PHONE, LLC 722   2007-03-05   
650-839 6 Redwood City CA 318J COMCAST IP PHONE, LLC 722   2018-11-02   
650-847 1 Palo Alto CA 318J COMCAST IP PHONE, LLC 722   2008-10-30   
650-850 4 Woodside CA 318J COMCAST IP PHONE, LLC 722   2015-03-18   
650-861 3 Mountain View CA 318J COMCAST IP PHONE, LLC 722   2014-07-18   
650-865 3 San Mateo CA 318J COMCAST IP PHONE, LLC 722   2017-10-12   
650-898 A Pacifica CA 318J COMCAST IP PHONE, LLC 722      
650-898 8 Pacifica CA 318J COMCAST IP PHONE, LLC 722   2008-02-25   
650-912 2 Half Moon Bay CA 318J COMCAST IP PHONE, LLC 722   2023-03-02   
650-912 3 Half Moon Bay CA 318J COMCAST IP PHONE, LLC 722   2023-03-02   
650-931 4 San Mateo CA 318J COMCAST IP PHONE, LLC 722   2007-03-19   
650-946 A Los Altos CA 318J COMCAST IP PHONE, LLC 722      
650-946 0 Los Altos CA 318J COMCAST IP PHONE, LLC 722      
650-946 2 Los Altos CA 318J COMCAST IP PHONE, LLC 722   2013-12-30   
650-946 4 Los Altos CA 318J COMCAST IP PHONE, LLC 722      
650-946 5 Los Altos CA 318J COMCAST IP PHONE, LLC 722      
650-946 9 Los Altos CA 318J COMCAST IP PHONE, LLC 722      
650-963 9 Mountain View CA 318J COMCAST IP PHONE, LLC 722   2007-02-17   
650-989 8 South San Francisco CA 318J COMCAST IP PHONE, LLC 722   2007-02-09   
650-993 4 San Francisco: Juniper DA CA 318J COMCAST IP PHONE, LLC 722   2008-12-05   
650-993 6 San Francisco: Juniper DA CA 318J COMCAST IP PHONE, LLC 722   2016-12-31   
650-993 8 San Francisco: Juniper DA CA 318J COMCAST IP PHONE, LLC 722   2007-02-28   
650-995 7 Redwood City CA 318J COMCAST IP PHONE, LLC 722   2007-02-09   
669-214 2 San Jose: North DA CA 318J COMCAST IP PHONE, LLC 722   2016-12-05   
669-224 4 Sunnyvale CA 318J COMCAST IP PHONE, LLC 722   2014-02-24   
669-226 5 San Jose: North DA CA 318J COMCAST IP PHONE, LLC 722   2014-07-06   
669-230 A San Jose: West DA CA 318J COMCAST IP PHONE, LLC 722      
669-230 3 San Jose: West DA CA 318J COMCAST IP PHONE, LLC 722   2016-01-26   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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