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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-863 9 Los Angeles: DA 05 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-864 A Los Angeles: DA 12 CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730      
323-865 A Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730      
323-865 0 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730      
323-865 1 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 2 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 3 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730      
323-865 4 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 5 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 6 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 7 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 8 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-865 9 Los Angeles: DA 04 CA LSANCAIKRS1  7534 FRONTIER CALIFORNIA INC. 730   2001-09-27   
323-866 A Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 0 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-07-11   
323-866 1 Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 2 Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 3 Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 4 Los Angeles: DA 13 CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2005-09-12   
323-866 5 Los Angeles: DA 13 CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2005-09-12   
323-866 6 Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 7 Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 8 Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-866 9 Los Angeles: DA 13 CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2007-06-23   
323-867 A Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730      
323-867 0 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-05-15   
323-867 1 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 2 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 3 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 4 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 5 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 6 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 7 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 8 Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM, L.P. 730   2005-04-10   
323-867 9 Montebello CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2005-09-12   
323-868 A Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-869 A Montebello CA LSANCA35DS0  9740 PACIFIC BELL 730      
323-870 A Los Angeles: DA 11 CA CLCYCA11DS0  9740 PACIFIC BELL 730      
323-870 0 Los Angeles: DA 11 CA CLCYCA11DS0  9740 PACIFIC BELL 730      
323-870 1 Los Angeles: DA 11 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-19   
323-870 2 Los Angeles: DA 11 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-03-25   
323-870 3 Los Angeles: DA 11 CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-07   
323-870 4 Los Angeles: DA 11 CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-07   
323-870 5 Los Angeles: DA 11 CA ANHMCA01XEY  516C AT&T CORP. 730   2014-10-14   
323-870 6 Los Angeles: DA 11 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-22   
323-870 7 Los Angeles: DA 11 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-07-29   
323-870 8 Los Angeles: DA 11 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-05-11   
323-870 9 Los Angeles: DA 11 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-22   
323-871 A Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-872 A Los Angeles: DA 14 CA SHOKCA01DS0  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 >>

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.