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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OCN: 7262 XO CALIFORNIA, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-590 2 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 3 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 7 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 8 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-603 A San Francisco: Central DA CA FRMTCAEDDS2  722      
415-603 2 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-07   
415-603 3 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-07   
415-603 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-07   
415-603 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-07   
415-603 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-07   
415-614 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2006-10-09   
415-614 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2005-06-02   
415-614 7 San Francisco: Central DA CA FRMTCAEDDS2  722   2005-06-02   
415-614 8 San Francisco: Central DA CA FRMTCAEDDS2  722   2005-06-02   
415-660 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2013-11-18   
415-690 4 Belvedere CA FRMTCAEDDS2  722   2006-04-16   
415-692 8 San Francisco: Central DA CA FRMTCAEDDS2  722   2006-08-23   
415-729 7 Sausalito CA FRMTCAEDDS2  722   2011-03-25   
415-744 1 San Francisco: Central DA CA FRMTCAEDDS2  722   2008-11-10   
415-766 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-11-24   
415-766 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-11-24   
415-795 1 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-795 3 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-795 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-795 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-795 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-800 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-06-10   
415-800 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-06-10   
415-815 A San Francisco: Central DA CA FRMTCAEDDS2  722      
415-815 0 San Francisco: Central DA CA FRMTCAEDDS2  722   2011-01-24   
415-815 1 San Francisco: Central DA CA FRMTCAEDDS2  722   2011-01-24   
415-815 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2011-01-24   
415-839 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-03-17   
415-840 7 San Francisco: Juniper DA CA FRMTCAEDDS2  722   2010-10-11   
415-871 2 San Francisco: Central DA CA FRMTCAEDDS2  722   2007-03-02   
415-872 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2014-07-24   
415-887 5 Sausalito CA FRMTCAEDDS2  722   2005-06-17   
415-887 7 Sausalito CA FRMTCAEDDS2  722   2005-06-17   
415-889 6 Belvedere CA FRMTCAEDDS2  722   2007-04-09   
415-963 0 San Francisco: Central DA CA FRMTCAEDDS2  722   2007-03-02   
415-963 3 San Francisco: Central DA CA FRMTCAEDDS2  722   2007-03-02   
415-970 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-03-17   
415-970 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2007-03-02   
424-201 4 Torrance CA SNANCALWDS1  730   2007-04-27   
424-201 5 Torrance CA SNANCALWDS1  730   2007-04-27   
424-204 A Beverly Hills CA SNANCALWDS1  730      
424-204 0 Beverly Hills CA SNANCALWDS1  730   2007-01-25   

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

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