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
323-272 8 Los Angeles: DA 13 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-272 9 Los Angeles: DA 13 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-273 A Montebello CA   899D METROPCS NETWORKS, LLC 730      
323-273 0 Montebello CA   6529 T-MOBILE USA, INC. 730      
323-273 1 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 2 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 3 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 4 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 5 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 6 Montebello CA   6529 T-MOBILE USA, INC. 730      
323-273 7 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 8 Montebello CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-273 9 Montebello CA   6529 T-MOBILE USA, INC. 730      
323-274 A Los Angeles: DA 03 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-274 0 Los Angeles: DA 03 CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2005-09-23   
323-274 1 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-29   
323-274 2 Los Angeles: DA 03 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-09-02   
323-274 3 Los Angeles: DA 03 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-274 4 Los Angeles: DA 03 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-08-18   
323-274 5 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-08-01   
323-274 6 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-08-10   
323-274 7 Los Angeles: DA 03 CA   145J TERRA NOVA TELECOM INC. 730   2022-10-03   
323-274 8 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-08-10   
323-274 9 Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-10-26   
323-275 A Los Angeles: DA 04 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-275 0 Los Angeles: DA 04 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-275 1 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-02   
323-275 2 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-09-05   
323-275 3 Los Angeles: DA 04 CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-04-19   
323-275 4 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-01-13   
323-275 5 Los Angeles: DA 04 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2013-10-07   
323-275 6 Los Angeles: DA 04 CA MTPKCACG1MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-08-10   
323-275 7 Los Angeles: DA 04 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2005-08-11   
323-275 8 Los Angeles: DA 04 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2005-08-11   
323-275 9 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-08-07   
323-276 A Los Angeles: DA 04 CA LSANCA23DS0  9740 PACIFIC BELL 730      
323-277 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-278 A Montebello CA LSANCA35DS1  9740 PACIFIC BELL 730      
323-279 A Los Angeles: DA 08 CA LSANCA01XSY  9748 AMERICAN MESSAGING SERVICES, LLC 730      
323-280 A Los Angeles: DA 02 CA LSANCA039MD  6906 AMERICAN MESSAGING SERVICES, LLC 730      
323-281 A Montebello CA LSANCARC80Z  6967 33 WIRELESS INC. 730      
323-282 A Los Angeles: DA 06 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-282 0 Los Angeles: DA 06 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-02-15   
323-282 1 Los Angeles: DA 06 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-02-15   
323-282 2 Los Angeles: DA 06 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-282 3 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-14   
323-282 4 Los Angeles: DA 06 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-282 5 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-12-04   
323-282 6 Los Angeles: DA 06 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-02-15   
323-282 7 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-15   

<< 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: VoIP.ms

Like this site? We accept donations via PayPal.