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: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-750 9 Inglewood CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-09-11   
424-757 A Torrance CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-757 0 Torrance CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2006-08-26   
424-757 1 Torrance CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-757 2 Torrance CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-06-27   
424-757 3 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-02-18   
424-757 4 Torrance CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-01-13   
424-757 5 Torrance CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-01-01   
424-757 6 Torrance CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-16   
424-757 7 Torrance CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-07-09   
424-757 8 Torrance CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-07-09   
424-757 9 Torrance CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-07-16   
424-758 A Compton: Compton DA CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-758 0 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-09-08   
424-758 1 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-09-08   
424-758 2 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-09-08   
424-758 3 Compton: Compton DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-06-15   
424-758 4 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-10-25   
424-758 5 Compton: Compton DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-09   
424-758 6 Compton: Compton DA CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-07-17   
424-758 8 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-11-07   
424-758 9 Compton: Compton DA CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-08-19   
424-766 A Santa Monica: Mar Vista DA CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-766 0 Santa Monica: Mar Vista DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-12   
424-766 1 Santa Monica: Mar Vista DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-12   
424-766 2 Santa Monica: Mar Vista DA CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2021-04-26   
424-766 3 Santa Monica: Mar Vista DA CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-26   
424-766 4 Santa Monica: Mar Vista DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-12   
424-766 5 Santa Monica: Mar Vista DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-12   
424-766 6 Santa Monica: Mar Vista DA CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-26   
424-766 8 Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-01   
424-766 9 Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-01   
424-768 A Compton: Compton DA CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
424-768 0 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 1 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 2 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 3 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 4 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 5 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 6 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 7 Compton: Compton DA CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-03-12   
424-768 8 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-03-13   
424-768 9 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-14   
424-772 A San Pedro CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730      
424-772 0 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-11-25   
424-772 1 San Pedro CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2009-03-11   
424-772 2 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-03-06   
424-772 3 San Pedro CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-12-06   
424-772 4 San Pedro CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-12-06   
424-772 5 San Pedro CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-09-19   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.