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.

Los Angeles: DA 13, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-556 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 1 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-08-10   
323-556 2 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 3 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 4 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-01-14   
323-556 5 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 6 LSANCAGJDS4  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 7 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 8 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 9 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-557 A IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-557 0 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-10-13   
323-557 1 IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-557 2 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-557 3 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-557 4 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-557 5 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-06-15   
323-557 6 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-557 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-04-21   
323-557 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-01-02   
323-557 9 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-571 A TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-571 0 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-571 1 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-571 2 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-571 3 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-571 4 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2022-11-25   
323-571 5 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-571 6 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-571 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-02-25   
323-571 8 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-571 9 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2011-03-20   
323-575 A LSANCA08DS1  9740 PACIFIC BELL 730      
323-591 A SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
323-591 0 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
323-591 1 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   
323-591 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-12-22   
323-591 3 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-02-03   
323-591 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-05-12   
323-591 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-12-24   
323-591 6 SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2014-02-03   
323-591 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2024-01-08   
323-591 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-05-12   
323-591 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-05-12   
323-592 A TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-592 0 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-09-04   
323-592 1 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-09-04   
323-592 2 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-09-04   
323-592 3 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2009-09-23   
323-592 4 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-12-23   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.