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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-441 7 Malibu CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-07   
424-441 8 Malibu CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-04   
424-441 9 Malibu CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-04-04   
424-442 A West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
424-442 0 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
424-442 1 West Los Angeles CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2008-10-26   
424-442 2 West Los Angeles CA LSANCAGJDS4  7453 US TELEPACIFIC CORP. - CA 730   2008-10-13   
424-442 3 West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-08-29   
424-442 4 West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-08-29   
424-442 5 West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-08-29   
424-442 6 West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-08-29   
424-442 7 West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-08-29   
424-442 8 West Los Angeles CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-08-29   
424-442 9 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
424-443 A Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-443 0 Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-18   
424-443 1 Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-11-16   
424-443 2 Santa Monica: Mar Vista DA CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-21   
424-443 3 Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-16   
424-443 4 Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-23   
424-443 5 Santa Monica: Mar Vista DA CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-11-29   
424-443 6 Santa Monica: Mar Vista DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-08-21   
424-443 7 Santa Monica: Mar Vista DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-13   
424-443 8 Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-08-20   
424-443 9 Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-08-20   
424-444 A Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-444 0 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-11-01   
424-444 1 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-01   
424-444 2 Compton: Compton DA CA LSANCARCDS1  993B CURATEL, LLC - CA 730   2010-10-28   
424-444 3 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-11-01   
424-444 4 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-08-22   
424-444 5 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-444 6 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-444 7 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-444 8 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-11-01   
424-444 9 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-445 A Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-445 0 Redondo CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-05-28   
424-445 1 Redondo CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-05-28   
424-445 2 Redondo CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2020-08-01   
424-445 3 Redondo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
424-445 4 Redondo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
424-445 5 Redondo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
424-445 6 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-22   
424-445 7 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-05-02   
424-445 8 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-05-02   
424-445 9 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-05-02   
424-446 A Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-446 0 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
424-446 1 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   

<< 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 >>

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.