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.

OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-942 7 Sausalito CA SNJSCAYB0MD  722   2015-10-12   
415-943 7 Stinson Beach-Bolinas CA SNJSCAYB0MD  722   2014-11-02   
415-944 6 Sausalito CA SNJSCAYB0MD  722   2007-12-27   
415-983 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2008-09-04   
415-985 A Novato CA SNJSCAYB0MD  722      
415-985 3 Novato CA SNJSCAYB0MD  722   2014-06-23   
415-992 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-996 2 Ignacio CA SNJSCAYB0MD  722   2015-10-12   
424-201 6 Torrance CA IRVNCASM1MD  730   2007-03-10   
424-201 7 Torrance CA IRVNCASM1MD  730   2007-03-10   
424-201 8 Torrance CA IRVNCASM1MD  730   2007-03-10   
424-203 7 Lomita CA IRVNCASM1MD  730   2007-03-10   
424-203 8 Lomita CA IRVNCASM1MD  730   2007-03-10   
424-207 2 Inglewood CA LSANCAGJDS4  730   2007-03-10   
424-207 3 Inglewood CA IRVNCASM1MD  730   2007-03-10   
424-207 5 Inglewood CA IRVNCASM1MD  730   2007-03-10   
424-208 6 West Los Angeles CA IRVNCASM1MD  730   2007-03-10   
424-208 7 West Los Angeles CA IRVNCASM1MD  730   2007-03-10   
424-208 8 West Los Angeles CA IRVNCASM1MD  730   2007-03-10   
424-212 4 Redondo CA IRVNCASM1MD  730   2010-04-21   
424-212 6 Redondo CA IRVNCASM1MD  730   2007-03-10   
424-212 7 Redondo CA IRVNCASM1MD  730   2007-03-10   
424-212 8 Redondo CA IRVNCASM1MD  730   2007-03-10   
424-213 4 Compton: Compton DA CA IRVNCASM1MD  730   2007-03-10   
424-213 5 Compton: Compton DA CA IRVNCASM1MD  730   2007-03-10   
424-213 7 Compton: Compton DA CA IRVNCASM1MD  730   2007-03-10   
424-214 4 Santa Monica: Santa Monica DA CA IRVNCASM1MD  730   2007-03-12   
424-214 5 Santa Monica: Santa Monica DA CA IRVNCASM1MD  730   2007-03-12   
424-214 6 Santa Monica: Santa Monica DA CA IRVNCASM1MD  730   2007-03-12   
424-214 7 Santa Monica: Santa Monica DA CA IRVNCASM1MD  730   2007-03-12   
424-216 7 Santa Monica: Mar Vista DA CA IRVNCASM1MD  730   2007-04-30   
424-218 A El Segundo CA IRVNCASM1MD  730      
424-218 3 El Segundo CA IRVNCASM1MD  730   2008-03-08   
424-218 4 El Segundo CA IRVNCASM1MD  730   2008-03-08   
424-218 7 El Segundo CA IRVNCASM1MD  730   2007-05-02   
424-225 7 El Segundo CA IRVNCASM1MD  730   2010-04-04   
424-225 8 El Segundo CA IRVNCASM1MD  730   2010-04-04   
424-236 4 Hawthorne CA IRVNCASM1MD  730   2008-11-24   
424-238 4 Santa Monica: Santa Monica DA CA IRVNCASM1MD  730   2009-11-15   
424-243 8 Inglewood CA IRVNCASM1MD  730   2009-11-22   
424-244 A Compton: Gardena DA CA IRVNCASM1MD  730      
424-245 3 Beverly Hills CA IRVNCASM1MD  730   2008-11-20   
424-248 6 West Los Angeles CA IRVNCASM1MD  730   2009-10-17   
424-258 8 Culver City CA IRVNCASM1MD  730   2009-04-23   
424-269 3 Hawthorne CA IRVNCASM1MD  730   2011-07-14   
424-270 8 West Los Angeles CA IRVNCASM1MD  730   2008-09-14   
424-274 4 Beverly Hills CA IRVNCASM1MD  730   2012-01-25   
424-275 4 Redondo CA IRVNCASM1MD  730   2011-11-14   
424-276 4 West Los Angeles CA IRVNCASM1MD  730   2011-11-14   
424-277 4 El Segundo CA IRVNCASM1MD  730   2011-12-12   

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

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