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
424-678 8 El Segundo CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-06-04   
424-688 A Lomita CA LSANCAJWIMD  965H FRACTEL LLC 730      
424-688 0 Lomita CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-09-09   
424-688 1 Lomita CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-688 2 Lomita CA LSANCA03JMD  506J TWILIO INTERNATIONAL INC 730   2020-10-20   
424-688 3 Lomita CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-12-04   
424-688 4 Lomita CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2020-09-26   
424-688 5 Lomita CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-12-04   
424-688 6 Lomita CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-688 7 Lomita CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-688 8 Lomita CA LSANCAJWIMD  965H FRACTEL LLC 730   2020-08-06   
424-688 9 Lomita CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-699 A Torrance CA   965H FRACTEL LLC 730   2021-09-10   
424-699 9 Torrance CA   965H FRACTEL LLC 730   2021-09-10   
424-702 A Inglewood CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730      
424-702 0 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2006-08-26   
424-702 1 Inglewood CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-09-13   
424-702 2 Inglewood CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-07-24   
424-702 3 Inglewood CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-08-28   
424-702 4 Inglewood CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-08-28   
424-702 5 Inglewood CA ANHMCA01XEY  516C AT&T CORP. 730   2006-08-28   
424-702 6 Inglewood CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2011-03-05   
424-702 7 Inglewood CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-07-24   
424-702 8 Inglewood CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-07-24   
424-702 9 Inglewood CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-07-24   
424-703 A San Pedro CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730      
424-703 0 San Pedro CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2010-02-04   
424-703 1 San Pedro CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2010-02-04   
424-703 2 San Pedro CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2010-02-04   
424-703 3 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-06   
424-703 4 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-06   
424-703 5 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-06   
424-703 6 San Pedro CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2010-12-13   
424-703 7 San Pedro CA TRNECAGBGT3  899D T-MOBILE USA, INC. 730   2018-11-04   
424-703 8 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-18   
424-703 9 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-08-06   
424-704 A Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-704 0 Compton: Compton DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-12-04   
424-704 1 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-27   
424-704 2 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-11-05   
424-704 3 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-27   
424-704 4 Compton: Compton DA CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2011-04-25   
424-704 5 Compton: Compton DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-12-07   
424-704 6 Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-09-11   
424-704 7 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-17   
424-704 8 Compton: Compton DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-03-25   
424-704 9 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-03-26   
424-731 A Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-02-25   
424-731 0 Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-09-08   
424-731 1 Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-06-25   

<< 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: LES.NET

Like this site? We accept donations via PayPal.