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
323-527 A Los Angeles: DA 09 CA IRVECAEIDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
323-527 0 Los Angeles: DA 09 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-01-06   
323-527 1 Los Angeles: DA 09 CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
323-527 2 Los Angeles: DA 09 CA   6529 T-MOBILE USA, INC. 730   2005-04-24   
323-527 3 Los Angeles: DA 09 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-22   
323-527 4 Los Angeles: DA 09 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-527 5 Los Angeles: DA 09 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-527 6 Los Angeles: DA 09 CA   6529 T-MOBILE USA, INC. 730   2005-06-10   
323-527 7 Los Angeles: DA 09 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-527 8 Los Angeles: DA 09 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-527 9 Los Angeles: DA 09 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-01-06   
323-528 A Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-529 A Los Angeles: DA 11 CA IRVECAEIDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
323-529 0 Los Angeles: DA 11 CA   649C ONVOY, LLC - CA 730   2012-12-30   
323-529 1 Los Angeles: DA 11 CA   206C CBEYOND COMMUNICATIONS, LLC - CA 730   2005-09-30   
323-529 2 Los Angeles: DA 11 CA   6529 T-MOBILE USA, INC. 730   2019-08-25   
323-529 3 Los Angeles: DA 11 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-26   
323-529 4 Los Angeles: DA 11 CA   6529 T-MOBILE USA, INC. 730   2006-08-03   
323-529 5 Los Angeles: DA 11 CA   6529 T-MOBILE USA, INC. 730   2015-09-03   
323-529 6 Los Angeles: DA 11 CA   649C ONVOY, LLC - CA 730   2012-12-30   
323-529 7 Los Angeles: DA 11 CA   6529 T-MOBILE USA, INC. 730   2006-10-07   
323-529 8 Los Angeles: DA 11 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2006-11-02   
323-529 9 Los Angeles: DA 11 CA   649C ONVOY, LLC - CA 730   2011-09-19   
323-530 A Montebello CA   6529 T-MOBILE USA, INC. 730      
323-530 0 Montebello CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2016-09-29   
323-530 1 Montebello CA   649C ONVOY, LLC - CA 730   2018-01-04   
323-530 2 Montebello CA   649C ONVOY, LLC - CA 730   2018-01-04   
323-530 3 Montebello CA   6529 T-MOBILE USA, INC. 730   2016-11-12   
323-530 4 Montebello CA   6529 T-MOBILE USA, INC. 730   2016-11-12   
323-530 5 Montebello CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2018-03-02   
323-530 6 Montebello CA   6529 T-MOBILE USA, INC. 730   2016-09-22   
323-530 7 Montebello CA   6529 T-MOBILE USA, INC. 730   2016-09-22   
323-530 8 Montebello CA   6529 T-MOBILE USA, INC. 730   2016-09-22   
323-530 9 Montebello CA   6529 T-MOBILE USA, INC. 730   2016-09-22   
323-531 A Los Angeles: DA 09 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-04   
323-531 0 Los Angeles: DA 09 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-11-14   
323-531 1 Los Angeles: DA 09 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-11-14   
323-531 2 Los Angeles: DA 09 CA   516C AT&T CORP. 730   2013-10-11   
323-531 3 Los Angeles: DA 09 CA   7575 CENTURYLINK COMMUNICATIONS LLC 730   2014-04-09   
323-531 4 Los Angeles: DA 09 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-04   
323-531 5 Los Angeles: DA 09 CA   649C ONVOY, LLC - CA 730   2014-09-14   
323-531 6 Los Angeles: DA 09 CA   6529 T-MOBILE USA, INC. 730   2015-06-20   
323-531 7 Los Angeles: DA 09 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-03-23   
323-531 8 Los Angeles: DA 09 CA   6529 T-MOBILE USA, INC. 730   2015-06-20   
323-531 9 Los Angeles: DA 09 CA   516C AT&T CORP. 730   2014-07-14   
323-532 A Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2007-08-26   
323-532 0 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2007-09-17   
323-532 1 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2007-09-17   
323-532 2 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2007-11-06   
323-532 3 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2007-11-06   

<< 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: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.