Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Los Angeles: DA 03, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-507 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-10-03   
323-507 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-10-03   
323-507 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-10-03   
323-507 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-10-03   
323-507 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-10-03   
323-509 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-509 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-21   
323-509 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-21   
323-509 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2017-05-10   
323-509 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-09-18   
323-509 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-10-09   
323-509 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-08-09   
323-509 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-509 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-509 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-509 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-532 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-532 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-09-17   
323-532 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-09-17   
323-532 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-532 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-532 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-532 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-532 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-08-26   
323-532 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-08-26   
323-532 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-08-26   
323-532 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-08-26   
323-540 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-540 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-07-23   
323-540 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-11-07   
323-540 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-11-07   
323-540 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-01-16   
323-540 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
323-540 5 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-31   
323-540 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-12-31   
323-540 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-12-31   
323-540 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-12-31   
323-540 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-01-16   
323-542 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-542 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-542 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-542 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-542 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-542 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-06   
323-542 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-10-20   
323-542 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-10-20   
323-542 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-10-20   
323-542 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-10-20   
323-542 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-10-20   
323-543 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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