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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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   
424-634 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   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-28   
424-634 6 Redondo CA LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730   2021-01-11   
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 SFSPCAPO8MD  6664 SPRINT SPECTRUM, L.P. 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 ANHMCANGDS0  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 ANHMCANGDS0  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 BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730   2006-09-29   
424-646 A Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730      
424-646 0 Inglewood CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-01-10   
424-646 1 Inglewood CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2010-02-04   
424-646 2 Inglewood CA LSANCARCD9S  4129 O1 COMMUNICATIONS, INC. - CA 730   2009-02-11   
424-646 3 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-27   
424-646 4 Inglewood CA LSANCA54DS0  8782 ALLEGIANCE TELECOM, INC. - CA 730   2009-09-14   
424-646 5 Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730   2008-10-02   
424-646 6 Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730   2008-10-02   
424-646 7 Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730   2008-10-02   
424-646 8 Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730   2008-10-02   
424-646 9 Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730   2008-10-02   
424-652 A West Los Angeles CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
424-652 0 West Los Angeles CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-07-30   
424-652 1 West Los Angeles CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-30   
424-652 2 West Los Angeles CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2006-12-01   

<< 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 >>

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.