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
323-543 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-30   
323-543 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-04-22   
323-543 2 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-543 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-04-22   
323-543 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-30   
323-543 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-17   
323-543 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-04-22   
323-543 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-30   
323-543 8 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-543 9 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-550 A LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 A LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 0 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 1 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 2 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 3 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 4 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 5 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 6 LSANCA56DS0  9740 PACIFIC BELL 730      
323-551 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-04-22   
323-551 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-04-22   
323-551 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-04-22   
323-561 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-561 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-04   
323-561 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-04   
323-561 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-04   
323-561 3 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-05-01   
323-561 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-27   
323-561 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-27   
323-561 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-27   
323-561 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-27   
323-561 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-27   
323-561 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-27   
323-613 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-613 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-27   
323-613 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-27   
323-613 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-14   
323-613 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-14   
323-613 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-03-16   
323-613 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-03-16   
323-613 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-03-16   
323-613 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-24   
323-613 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-24   
323-613 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-03-16   
323-616 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-616 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-06-14   
323-616 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-10-01   
323-616 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-10-01   
323-616 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-08-25   
323-616 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-08-25   

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

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