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
424-625 4 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-625 5 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-625 6 Santa Monica: Mar Vista DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-07-07   
424-625 7 Santa Monica: Mar Vista DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2008-07-29   
424-625 8 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-17   
424-625 9 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-17   
424-626 A West Los Angeles CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
424-626 0 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-10-16   
424-626 1 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-10-16   
424-626 2 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-10-16   
424-626 3 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-10-16   
424-626 4 West Los Angeles CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2022-09-17   
424-626 5 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-24   
424-626 6 West Los Angeles CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2022-09-17   
424-626 7 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-24   
424-626 8 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-24   
424-626 9 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-24   
424-634 A Redondo CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
424-634 0 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-08-28   
424-634 1 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-03-19   
424-634 2 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-03-19   
424-634 3 Redondo CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-08-28   
424-634 4 Redondo CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2006-08-26   
424-634 5 Redondo CA   145J TERRA NOVA TELECOM INC. 730   2022-08-03   
424-634 6 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-09-10   
424-634 7 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-28   
424-634 8 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-12-27   
424-634 9 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-08-28   
424-644 A Malibu CA NRWLCA141MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      
424-644 0 Malibu CA NRWLCA141MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2006-08-26   
424-644 1 Malibu CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-11-05   
424-644 2 Malibu CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2009-08-31   
424-644 3 Malibu CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2008-12-21   
424-644 4 Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-04   
424-644 5 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-04-21   
424-644 6 Malibu CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-12-05   
424-644 7 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-10-26   
424-644 8 Malibu CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2006-10-09   
424-644 9 Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-12-12   
424-645 A Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-645 0 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-26   
424-645 1 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-26   
424-645 2 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-07-02   
424-645 3 Santa Monica: Santa Monica DA CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2009-02-25   
424-645 4 Santa Monica: Santa Monica DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-08-28   
424-645 5 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-18   
424-645 6 Santa Monica: Santa Monica DA CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-08-28   
424-645 7 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-26   
424-645 8 Santa Monica: Santa Monica DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-04   
424-645 9 Santa Monica: Santa Monica DA CA   899D METROPCS NETWORKS, LLC 730   2006-09-29   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.