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
323-657 A Los Angeles: DA 08 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-657 0 Los Angeles: DA 08 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-657 1 Los Angeles: DA 08 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-657 2 Los Angeles: DA 08 CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-19   
323-657 3 Los Angeles: DA 08 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-10-28   
323-657 4 Los Angeles: DA 08 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-10-01   
323-657 5 Los Angeles: DA 08 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-657 6 Los Angeles: DA 08 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-10-01   
323-657 7 Los Angeles: DA 08 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-10-01   
323-657 8 Los Angeles: DA 08 CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-04-05   
323-657 9 Los Angeles: DA 08 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-658 A Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-659 A Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-659 0 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-11-07   
323-659 1 Montebello CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-18   
323-659 2 Montebello CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2021-11-08   
323-659 3 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-11-16   
323-659 4 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-11-16   
323-659 5 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-11-16   
323-659 6 Montebello CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-11-08   
323-659 7 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-11-12   
323-659 8 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-11-12   
323-659 9 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-12-15   
323-660 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-661 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-662 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-663 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-664 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-665 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-666 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-667 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-667 0 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-667 1 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-667 2 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-667 3 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-667 4 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-667 5 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-667 6 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-667 7 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-667 8 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-667 9 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-668 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-669 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-670 A Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-670 0 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 1 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 2 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 3 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 4 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 5 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 6 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 7 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 8 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 9 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-671 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 0 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-671 1 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 2 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 3 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 4 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 5 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 6 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2010-02-04   
323-671 7 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-671 8 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-671 9 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-672 A Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-672 0 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-07   
323-672 1 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2015-01-11   
323-672 2 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-12-09   
323-672 3 Los Angeles: DA 14 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-29   
323-672 4 Los Angeles: DA 14 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-29   
323-672 5 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-28   
323-672 6 Los Angeles: DA 14 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-12-09   
323-672 7 Los Angeles: DA 14 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-12-09   
323-672 8 Los Angeles: DA 14 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-12-19   
323-672 9 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-07   
323-673 A Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-673 0 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-02-14   
323-673 1 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-02-14   
323-673 2 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-19   
323-673 3 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-19   
323-673 4 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-10-19   
323-673 5 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-10-19   
323-673 6 Los Angeles: DA 03 CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-07-17   
323-673 7 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-06-14   
323-673 8 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-10-19   
323-673 9 Los Angeles: DA 03 CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2014-11-14   
323-674 A Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-674 0 Los Angeles: DA 02 CA LSANCA12DS0  9740 PACIFIC BELL 730      
323-674 1 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 2 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2016-11-25   
323-674 3 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 4 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 5 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 6 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 7 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 8 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-04-12   
323-674 9 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-675 A Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-675 0 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-12-19   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.