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
323-509 4 Los Angeles: DA 03 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-10-09   
323-509 5 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-08-09   
323-509 6 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-509 7 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-509 8 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-509 9 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2004-11-12   
323-510 A Los Angeles: DA 05 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-510 0 Los Angeles: DA 05 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2008-01-28   
323-510 1 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-27   
323-510 2 Los Angeles: DA 05 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-510 3 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-03   
323-510 4 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-03   
323-510 5 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 6 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 7 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 8 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 9 Los Angeles: DA 05 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-09-28   
323-512 A Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 0 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 1 Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2007-07-23   
323-512 2 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 3 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 4 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 5 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 6 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 7 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 8 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 9 Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-513 A Los Angeles: DA 06 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-513 0 Los Angeles: DA 06 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-513 1 Los Angeles: DA 06 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-513 2 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-06-24   
323-513 3 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-06-24   
323-513 4 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-06-24   
323-513 5 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
323-513 6 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
323-513 7 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
323-513 8 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
323-513 9 Los Angeles: DA 06 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-514 A Montebello CA   899D METROPCS NETWORKS, LLC 730      
323-514 0 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 1 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 2 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 3 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 4 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 5 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 6 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 7 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 8 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-514 9 Montebello CA   899D METROPCS NETWORKS, LLC 730      

<< 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: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.