Local Calling Guide

Area code/prefix search

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Los Angeles: DA 03, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-349 7 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
323-349 8 LSANCA56DS0  9740 PACIFIC BELL 730      
323-349 9 LSANCA56DS0  9740 PACIFIC BELL 730      
323-355 A SHOKCA02KMD  6630 SPOK, INC. 730      
323-367 A SHOKCA02KMD  6630 SPOK, INC. 730      
323-384 A LSANCA56DS0  9740 PACIFIC BELL 730      
323-384 0 LSANCA56DS0  9740 PACIFIC BELL 730      
323-384 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-09-02   
323-384 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-05-08   
323-384 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-05-08   
323-384 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-05-08   
323-384 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-09-02   
323-384 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-09-02   
323-384 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-09-02   
323-384 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-05   
323-384 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-02-03   
323-398 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-398 0 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 1 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 2 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 3 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 4 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 5 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 6 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 7 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-17   
323-398 8 SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-05-09   
323-398 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2017-05-10   
323-404 A IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-404 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-12-05   
323-404 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-12-05   
323-404 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-404 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-404 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-404 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-404 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-404 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-404 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-02-06   
323-404 9 IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-414 A SHOKCA02KMD  6630 SPOK, INC. 730      
323-423 A ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-423 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-04   
323-423 1 ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-423 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-04   
323-423 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-04   
323-423 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-20   
323-423 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-04-09   
323-423 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-04-09   
323-423 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-01   
323-423 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-01   
323-423 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-01   

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

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