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.

NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-729 9 Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-730 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-731 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-732 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-733 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-734 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-735 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-736 A Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-736 0 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-27   
323-736 1 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-27   
323-736 2 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-27   
323-736 3 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-27   
323-736 4 Los Angeles: DA 14 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-04-29   
323-736 5 Los Angeles: DA 14 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-05-25   
323-736 6 Los Angeles: DA 14 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-04-29   
323-736 7 Los Angeles: DA 14 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-04-29   
323-736 8 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-04-29   
323-736 9 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-04-29   
323-737 A Los Angeles: DA 11 CA LSANCA38DS0  9740 PACIFIC BELL 730      
323-738 A Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-738 0 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-13   
323-738 1 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-13   
323-738 2 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 3 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 4 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 5 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 6 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 7 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 8 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-16   
323-738 9 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-13   
323-739 A Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-739 0 Los Angeles: DA 03 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-06-20   
323-739 1 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-07-29   
323-739 2 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-20   
323-739 3 Los Angeles: DA 03 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2008-12-14   
323-739 4 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-26   
323-739 5 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-09-30   
323-739 6 Los Angeles: DA 03 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-11-23   
323-739 7 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-20   
323-739 8 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-11-25   
323-739 9 Los Angeles: DA 03 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
323-740 A Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-740 0 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-04-18   
323-740 1 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-04-18   
323-740 2 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 3 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 4 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 5 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 6 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 7 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 8 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-740 9 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-23   
323-741 A Los Angeles: DA 02 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-741 0 Los Angeles: DA 02 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-04-22   
323-741 1 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-741 2 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-741 3 Los Angeles: DA 02 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2014-04-18   
323-741 4 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-741 5 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-741 6 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-741 7 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2019-03-21   
323-741 8 Los Angeles: DA 02 CA ANHMCA01XEY  516C AT&T CORP. 730   2014-04-24   
323-741 9 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-04-21   
323-742 A Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-742 0 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-07-10   
323-742 1 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-03   
323-742 2 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-09-02   
323-742 3 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-09-02   
323-742 4 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2006-07-19   
323-742 5 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2006-07-19   
323-742 6 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2006-07-19   
323-742 7 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2006-07-01   
323-742 8 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2006-07-01   
323-742 9 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2006-07-01   
323-743 A Los Angeles: DA 06 CA LSANCARCY5X  515J IP HORIZON LLC 730      
323-743 0 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2009-02-08   
323-743 1 Los Angeles: DA 06 CA   515J IP HORIZON LLC 730      
323-743 2 Los Angeles: DA 06 CA   515J IP HORIZON LLC 730      
323-743 3 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
323-743 4 Los Angeles: DA 06 CA   515J IP HORIZON LLC 730      
323-743 5 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-06-15   
323-743 6 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-06-15   
323-743 7 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-06-15   
323-743 8 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-09-06   
323-743 9 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-06-15   
323-744 A Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-744 0 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-22   
323-744 1 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-22   
323-744 2 Los Angeles: DA 06 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-05-03   
323-744 3 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-20   
323-744 4 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-20   
323-744 5 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-20   
323-744 6 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-20   
323-744 7 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-20   
323-744 8 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
323-744 9 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
323-745 A Los Angeles: DA 14 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-745 0 Los Angeles: DA 14 CA ANHMCA01XEY  516C AT&T CORP. 730   2014-08-26   
323-745 1 Los Angeles: DA 14 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-06-23   
323-745 2 Los Angeles: DA 14 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-06-28   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.