Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
424-430 7 Compton: Gardena DA CA TRNECAGB7MD  730   2019-07-17   
424-430 8 Compton: Gardena DA CA TRNECAGB7MD  730   2019-07-17   
424-433 0 Santa Monica: Santa Monica DA CA TRNECAGBGT3  730   2017-10-07   
424-436 2 Santa Monica: Santa Monica DA CA TRNECAGBGT3  730   2020-06-15   
424-440 6 West Los Angeles CA TRNECAGB7MD  730   2019-08-17   
424-440 7 West Los Angeles CA TRNECAGB7MD  730   2019-08-17   
424-445 2 Redondo CA TRNECAGBGT3  730   2020-08-01   
424-489 6 San Pedro CA TRNECAGB7MD  730   2018-02-24   
424-489 9 San Pedro CA TRNECAGB7MD  730   2018-02-24   
424-500 1 Santa Monica: Mar Vista DA CA TRNECAGB7MD  730   2012-10-29   
424-526 0 Santa Monica: Mar Vista DA CA TRNECAGBGT3  730   2015-09-05   
424-531 A Compton: Gardena DA CA TRNECAGBGT3  730   2024-02-09   
424-531 0 Compton: Gardena DA CA TRNECAGBGT3  730   2015-05-29   
424-531 1 Compton: Gardena DA CA TRNECAGBGT3  730   2015-05-29   
424-531 2 Compton: Gardena DA CA TRNECAGBGT3  730   2015-05-29   
424-531 3 Compton: Gardena DA CA TRNECAGBGT3  730   2015-05-29   
424-531 4 Compton: Gardena DA CA TRNECAGBGT3  730   2015-05-29   
424-533 2 San Pedro CA TRNECAGB7MD  730   2017-02-26   
424-537 6 Santa Monica: Mar Vista DA CA TRNECAGBGT3  730   2017-07-22   
424-538 9 Santa Monica: Santa Monica DA CA TRNECAGBGT3  730   2021-03-14   
424-541 2 Inglewood CA TRNECAGB7MD  730   2017-01-29   
424-541 4 Inglewood CA TRNECAGB7MD  730   2019-07-17   
424-552 8 San Pedro CA TRNECAGB7MD  730   2017-08-19   
424-552 9 San Pedro CA TRNECAGB7MD  730   2017-08-19   
424-559 0 West Los Angeles CA TRNECAGB7MD  730   2018-03-13   
424-559 1 West Los Angeles CA TRNECAGB7MD  730   2018-03-13   
424-559 2 West Los Angeles CA TRNECAGB7MD  730   2018-03-13   
424-559 4 West Los Angeles CA TRNECAGB7MD  730   2018-03-13   
424-559 8 West Los Angeles CA TRNECAGB7MD  730   2018-03-13   
424-559 9 West Los Angeles CA TRNECAGB7MD  730   2018-03-13   
424-567 1 Hawthorne CA TRNECAGB7MD  730   2016-11-27   
424-571 A Torrance CA TRNECAGB7MD  730      
424-571 0 Torrance CA TRNECAGB7MD  730   2010-01-14   
424-571 1 Torrance CA TRNECAGB7MD  730   2010-01-15   
424-581 2 Santa Monica: Santa Monica DA CA TRNECAGBGT3  730   2016-03-21   
424-610 0 Santa Monica: Santa Monica DA CA TRNECAGBGT3  730   2015-07-24   
424-625 1 Santa Monica: Mar Vista DA CA TRNECAGB7MD  730   2010-02-08   
424-645 9 Santa Monica: Santa Monica DA CA TRNECAGB7MD  730   2006-09-29   
424-646 0 Inglewood CA TRNECAGB7MD  730   2009-01-10   
424-646 1 Inglewood CA TRNECAGB7MD  730   2010-02-04   
424-652 0 West Los Angeles CA TRNECAGB7MD  730   2008-07-30   
424-672 0 Culver City CA TRNECAGB7MD  730   2007-04-10   
424-702 A Inglewood CA TRNECAGB7MD  730      
424-702 2 Inglewood CA TRNECAGB7MD  730   2007-07-24   
424-702 6 Inglewood CA TRNECAGB7MD  730   2011-03-05   
424-702 7 Inglewood CA TRNECAGB7MD  730   2007-07-24   
424-702 8 Inglewood CA TRNECAGB7MD  730   2007-07-24   
424-702 9 Inglewood CA TRNECAGB7MD  730   2007-07-24   
424-703 A San Pedro CA TRNECAGB7MD  730      
424-703 0 San Pedro CA TRNECAGB7MD  730   2010-02-04   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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