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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-796 3 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-01-19   
323-796 4 Los Angeles: DA 05 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-796 5 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-07   
323-796 6 Los Angeles: DA 05 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-11-12   
323-796 7 Los Angeles: DA 05 CA LSANCARCD3S  624H ONVOY SPECTRUM, LLC 730   2024-01-18   
323-796 8 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-02-06   
323-796 9 Los Angeles: DA 05 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-08-10   
323-797 A Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-797 0 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-10-24   
323-797 1 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-10-24   
323-797 2 Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2016-04-11   
323-797 3 Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2016-04-11   
323-797 4 Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2016-04-11   
323-797 5 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-06-10   
323-797 6 Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2015-06-10   
323-797 7 Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2015-06-10   
323-797 8 Montebello CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-07-20   
323-797 9 Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2018-12-07   
323-798 A Los Angeles: DA 14 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
323-798 0 Los Angeles: DA 14 CA LSANCARCDS1  993B CURATEL, LLC - CA 730   2009-08-17   
323-798 1 Los Angeles: DA 14 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-06-07   
323-798 2 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2010-02-04   
323-798 3 Los Angeles: DA 14 CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2009-09-28   
323-798 4 Los Angeles: DA 14 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-04-17   
323-798 5 Los Angeles: DA 14 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-04-17   
323-798 6 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2008-12-26   
323-798 7 Los Angeles: DA 14 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-20   
323-798 8 Los Angeles: DA 14 CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2008-12-16   
323-798 9 Los Angeles: DA 14 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-07-29   
323-799 A Los Angeles: DA 14 CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
323-799 0 Los Angeles: DA 14 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-08-06   
323-799 1 Los Angeles: DA 14 CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
323-799 2 Los Angeles: DA 14 CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
323-799 3 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2010-02-04   
323-799 4 Los Angeles: DA 14 CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
323-799 5 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-799 6 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-799 7 Los Angeles: DA 14 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-09-16   
323-799 8 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-799 9 Los Angeles: DA 14 CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
323-800 A Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-800 0 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-10-03   
323-800 1 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-07   
323-800 2 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-04-19   
323-800 3 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-08-03   
323-800 4 Los Angeles: DA 05 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-10-18   
323-800 5 Los Angeles: DA 05 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-01-08   
323-800 6 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-06-14   
323-800 7 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-03-21   
323-800 8 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-09-19   

<< 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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.