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.
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
408-647 2 Saratoga CA OKLDCA03XOY  722   2008-03-24   
408-649 6 San Jose: North DA CA OKLDCA03XOY  722   2007-06-22   
408-677 3 San Jose: South DA CA OKLDCA03XOY  722   2007-07-25   
408-677 4 San Jose: South DA CA OKLDCA03XOY  722   2006-09-14   
408-680 0 Campbell CA OKLDCA03XOY  722   2013-06-26   
408-684 4 San Jose: North DA CA OKLDCA03XOY  722   2010-07-27   
408-703 3 San Jose: West DA CA OKLDCA03XOY  722   2018-12-14   
408-708 4 San Jose: North DA CA OKLDCA03XOY  722   2011-08-24   
408-708 5 San Jose: North DA CA OKLDCA03XOY  722   2013-09-18   
408-708 7 San Jose: North DA CA OKLDCA03XOY  722   2011-10-01   
408-721 7 Sunnyvale CA OKLDCA03XOY  722   2016-09-15   
408-743 5 Sunnyvale CA OKLDCA03XOY  722   2008-07-18   
408-746 5 Sunnyvale CA OKLDCA03XOY  722   2008-04-21   
408-753 9 San Jose: West DA CA OKLDCA03XOY  722   2010-09-20   
408-770 A San Jose: North DA CA OKLDCA03XOY  722      
408-770 2 San Jose: North DA CA OKLDCA03XOY  722   2008-10-06   
408-770 3 San Jose: North DA CA OKLDCA03XOY  722   2008-10-06   
408-770 9 San Jose: North DA CA OKLDCA03XOY  722   2009-09-25   
408-784 7 San Jose: South DA CA OKLDCA03XOY  722   2013-03-08   
408-792 9 San Jose: West DA CA OKLDCA03XOY  722   2020-10-12   
408-796 7 Campbell CA OKLDCA03XOY  722   2005-09-26   
408-809 4 San Jose: South DA CA OKLDCA03XOY  722   2013-11-25   
408-809 7 San Jose: South DA CA OKLDCA03XOY  722   2013-08-22   
408-816 A San Jose: West DA CA OKLDCA03XOY  722      
408-816 7 San Jose: West DA CA OKLDCA03XOY  722   2013-10-04   
408-816 8 San Jose: West DA CA OKLDCA03XOY  722   2013-10-04   
408-819 3 Campbell CA OKLDCA03XOY  722   2013-08-27   
408-824 5 San Jose: North DA CA OKLDCA03XOY  722   2007-12-16   
408-826 4 San Jose: South DA CA OKLDCA03XOY  722      
408-827 4 Los Gatos CA OKLDCA03XOY  722   2010-08-18   
408-841 9 San Jose: South DA CA OKLDCA03XOY  722   2006-08-07   
408-882 3 San Jose: West DA CA OKLDCA03XOY  722   2018-05-30   
408-884 8 Los Gatos CA OKLDCA03XOY  722   2011-10-31   
408-898 3 Saratoga CA OKLDCA03XOY  722   2014-01-22   
408-899 A San Jose: West DA CA OKLDCA03XOY  722      
408-899 2 San Jose: West DA CA OKLDCA03XOY  722   2008-09-15   
408-899 4 San Jose: West DA CA OKLDCA03XOY  722   2008-09-15   
408-899 6 San Jose: West DA CA OKLDCA03XOY  722   2008-09-15   
408-900 8 Sunnyvale CA OKLDCA03XOY  722   2011-05-19   
408-912 5 San Jose: South DA CA OKLDCA03XOY  722   2009-04-03   
408-931 6 San Jose: West DA CA OKLDCA03XOY  722   2006-12-27   
408-960 6 San Jose: South DA CA OKLDCA03XOY  722   2009-09-15   
408-960 8 San Jose: South DA CA OKLDCA03XOY  722   2011-06-02   
408-962 0 Sunnyvale CA OKLDCA03XOY  722      
408-963 6 Campbell CA OKLDCA03XOY  722   2007-02-09   
408-982 3 San Jose: West DA CA OKLDCA03XOY  722   2006-12-27   
408-982 5 San Jose: West DA CA OKLDCA03XOY  722   2006-12-27   
415-213 5 San Francisco: Montrose-Evergreen DA CA OKLDCA03XOY  722   2011-02-07   
415-234 6 Ignacio CA OKLDCA03XOY  722   2005-09-27   
415-261 9 San Rafael CA OKLDCA03XOY  722   2020-10-14   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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