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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-423 4 El Segundo CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-02-24   
424-423 5 El Segundo CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-02-24   
424-423 6 El Segundo CA LSANCAJW6MD  073H TELNYX LLC 730   2017-06-02   
424-423 7 El Segundo CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-08-20   
424-423 8 El Segundo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-04-21   
424-423 9 El Segundo CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2018-09-01   
424-424 A Compton: Gardena DA CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-424 0 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-424 1 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-424 2 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-06-22   
424-424 3 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-424 4 Compton: Gardena DA CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-25   
424-424 5 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-424 6 Compton: Gardena DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-20   
424-424 7 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-424 8 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-424 9 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-425 A Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-425 0 Malibu CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-04   
424-425 1 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2019-03-03   
424-425 2 Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-04   
424-425 3 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2019-03-03   
424-425 4 Malibu CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-02-22   
424-425 5 Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-11-04   
424-425 6 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2018-12-07   
424-425 7 Malibu CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-09-20   
424-425 8 Malibu CA NRWLCA141MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2018-09-02   
424-425 9 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2018-05-05   
424-426 A Hawthorne CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
424-426 0 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-29   
424-426 1 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-29   
424-426 2 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-04-22   
424-426 3 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-29   
424-426 4 Hawthorne CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2018-11-29   
424-426 5 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-06-14   
424-426 6 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-06-14   
424-426 7 Hawthorne CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-05-05   
424-426 8 Hawthorne CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-05-05   
424-426 9 Hawthorne CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-03-22   
424-427 A Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-427 0 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-05   
424-427 1 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-05   
424-427 2 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-06   
424-427 3 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-06   
424-427 4 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-06   
424-427 5 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-06   
424-427 6 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-06   
424-427 7 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-06   
424-427 8 Compton: Compton DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2019-05-26   
424-427 9 Compton: Compton DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-04-12   
424-428 A Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-428 0 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-06-03   
424-428 1 Santa Monica: Mar Vista DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-08-08   
424-428 2 Santa Monica: Mar Vista DA CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-428 3 Santa Monica: Mar Vista DA CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-05-06   
424-428 4 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-10-25   
424-428 5 Santa Monica: Mar Vista DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-09   
424-428 6 Santa Monica: Mar Vista DA CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2020-03-17   
424-428 7 Santa Monica: Mar Vista DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2020-06-15   
424-428 8 Santa Monica: Mar Vista DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-06-11   
424-428 9 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-06-21   
424-429 A Compton: Compton DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
424-429 0 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-429 1 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-429 2 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-429 3 Compton: Compton DA CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2019-07-13   
424-429 4 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-429 5 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-429 6 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-429 7 Compton: Compton DA CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2019-07-16   
424-429 8 Compton: Compton DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-07-12   
424-429 9 Compton: Compton DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-07-12   
424-430 A Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-430 0 Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-430 1 Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-430 2 Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-430 3 Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-13   
424-430 4 Compton: Gardena DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-11-10   
424-430 5 Compton: Gardena DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-11-10   
424-430 6 Compton: Gardena DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-08-09   
424-430 7 Compton: Gardena DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2019-07-17   
424-430 8 Compton: Gardena DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2019-07-17   
424-430 9 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-431 A Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-431 0 Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-19   
424-431 1 Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-07-26   
424-431 2 Beverly Hills CA LSANCARCY2X  597F VOIP INNOVATIONS, LLC 730   2019-08-04   
424-431 3 Beverly Hills CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2019-08-11   
424-431 4 Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-09-08   
424-431 5 Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-08-15   
424-431 6 Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-08-15   
424-431 7 Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-08-15   
424-431 8 Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-08-15   
424-431 9 Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-07-20   
424-432 A Avalon CA LSANCARCY2X  597F VOIP INNOVATIONS, LLC 730      
424-432 0 Avalon CA LSANCAJW6MD  073H TELNYX LLC 730   2019-09-16   
424-432 1 Avalon CA LSANCARCY2X  597F VOIP INNOVATIONS, LLC 730   2019-09-15   
424-432 2 Avalon CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-432 3 Avalon CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-432 5 Avalon CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   

<< 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 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.