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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-928 3 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-12-04   
323-928 4 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-12-04   
323-928 5 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-12-04   
323-928 6 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-928 7 Los Angeles: DA 02 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-05   
323-928 8 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-11-13   
323-928 9 Los Angeles: DA 02 CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
323-929 A Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-929 0 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-23   
323-929 1 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-10   
323-929 2 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-10   
323-929 3 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-23   
323-929 4 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
323-929 5 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
323-929 6 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
323-929 7 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-31   
323-929 8 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
323-929 9 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-23   
323-930 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-931 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-932 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-933 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-934 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-935 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-936 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-937 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-938 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-939 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-940 A Los Angeles: DA 04 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-940 0 Los Angeles: DA 04 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-940 1 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-08-18   
323-940 2 Los Angeles: DA 04 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-940 3 Los Angeles: DA 04 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-07-26   
323-940 4 Los Angeles: DA 04 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-940 5 Los Angeles: DA 04 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-12-16   
323-940 6 Los Angeles: DA 04 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-12-16   
323-940 7 Los Angeles: DA 04 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-09-23   
323-940 8 Los Angeles: DA 04 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-11-30   
323-940 9 Los Angeles: DA 04 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-04-02   
323-941 A Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-08-07   
323-941 0 Los Angeles: DA 02 CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-08-08   
323-941 1 Los Angeles: DA 02 CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-08-08   
323-941 2 Los Angeles: DA 02 CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-08-08   
323-941 3 Los Angeles: DA 02 CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-08-08   
323-941 4 Los Angeles: DA 02 CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-08-08   
323-941 5 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-08-07   
323-941 6 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-08-07   
323-941 7 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-08-07   
323-941 8 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-08-07   
323-941 9 Los Angeles: DA 02 CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-08-07   
323-942 A Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-942 0 Los Angeles: DA 09 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-942 1 Los Angeles: DA 09 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2005-06-24   
323-942 2 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-03   
323-942 3 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-03   
323-942 4 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-03   
323-942 5 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-03   
323-942 6 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-03   
323-942 7 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-03   
323-942 8 Los Angeles: DA 09 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2012-11-09   
323-942 9 Los Angeles: DA 09 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-22   
323-943 A Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-943 0 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-08-25   
323-943 1 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-01-19   
323-943 2 Los Angeles: DA 05 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-01-19   
323-943 3 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-06-03   
323-943 4 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-06-03   
323-943 5 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-08-25   
323-943 6 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-04-28   
323-943 7 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-04-28   
323-943 8 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-02-25   
323-943 9 Los Angeles: DA 05 CA ANHMCA01XEY  516C AT&T CORP. 730   2014-09-29   
323-944 A Los Angeles: DA 13 CA LSANCA08DS0  9740 PACIFIC BELL 730      
323-944 0 Los Angeles: DA 13 CA LSANCA08DS0  9740 PACIFIC BELL 730      
323-944 1 Los Angeles: DA 13 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-08-10   
323-944 2 Los Angeles: DA 13 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-04-05   
323-944 3 Los Angeles: DA 13 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-14   
323-944 4 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-944 5 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-944 6 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-944 7 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-944 8 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-944 9 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-945 A Montebello CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-945 0 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 1 Montebello CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-945 2 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 3 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 4 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 5 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 6 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 7 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-11   
323-945 8 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-13   
323-945 9 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-03-13   
323-946 A Los Angeles: DA 14 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-946 0 Los Angeles: DA 14 CA LSANCARCY1X  321J HD CARRIER LLC 730   2016-08-18   
323-946 1 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2016-08-18   
323-946 2 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2016-08-22   
323-946 3 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2016-08-22   
323-946 4 Los Angeles: DA 14 CA LSANCARCY1X  321J HD CARRIER LLC 730   2016-08-18   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.