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
323-815 7 Los Angeles: DA 12 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-08-18   
323-815 8 Los Angeles: DA 12 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-02-05   
323-815 9 Los Angeles: DA 12 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   
323-816 A Montebello CA ELMNCAFIGT1  6664 SPRINT SPECTRUM, L.P. 730      
323-816 0 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 1 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 2 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 3 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 4 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 5 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 6 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 7 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 8 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-816 9 Montebello CA   6664 SPRINT SPECTRUM, L.P. 730      
323-817 A Los Angeles: DA 14 CA HLWDCA01DS0  9740 PACIFIC BELL 730      
323-817 0 Los Angeles: DA 14 CA   649C ONVOY, LLC - CA 730   2018-12-24   
323-817 1 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-817 2 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-817 3 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-817 4 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-817 5 Los Angeles: DA 14 CA   899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-817 6 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-817 7 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-817 8 Los Angeles: DA 14 CA   899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-817 9 Los Angeles: DA 14 CA   899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-818 A Los Angeles: DA 03 CA LSANCARCD9S  4129 O1 COMMUNICATIONS, INC. - CA 730      
323-818 0 Los Angeles: DA 03 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-10-19   
323-818 1 Los Angeles: DA 03 CA   4129 O1 COMMUNICATIONS, INC. - CA 730   2017-08-18   
323-818 2 Los Angeles: DA 03 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-11-18   
323-818 3 Los Angeles: DA 03 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-03-31   
323-818 4 Los Angeles: DA 03 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-03-31   
323-818 5 Los Angeles: DA 03 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-03-31   
323-818 6 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2017-09-09   
323-818 7 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2017-09-09   
323-818 8 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2017-09-09   
323-818 9 Los Angeles: DA 03 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-10   
323-819 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-820 A Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-820 0 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 1 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 2 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 3 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 4 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 5 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 6 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-820 7 Los Angeles: DA 09 CA   6529 T-MOBILE USA, INC. 730   2004-05-17   
323-820 8 Los Angeles: DA 09 CA   6529 T-MOBILE USA, INC. 730   2004-07-04   
323-820 9 Los Angeles: DA 09 CA   9740 PACIFIC BELL 730      
323-821 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-822 A Los Angeles: DA 14 CA LSANCA08DS1  9740 PACIFIC BELL 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, 01 Jul 2022 02:53:40 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.