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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-866 6 Redondo CA   965H FRACTEL LLC 730   2021-11-15   
424-866 7 Redondo CA   649C ONVOY, LLC - CA 730   2022-01-02   
424-866 8 Redondo CA   649C ONVOY, LLC - CA 730   2022-01-02   
424-866 9 Redondo CA   6529 T-MOBILE USA, INC. 730   2022-01-18   
424-877 A Santa Monica: Santa Monica DA CA LSANCAJWIMD  965H FRACTEL LLC 730      
424-877 0 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-04-01   
424-877 1 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-07-12   
424-877 2 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 3 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 4 Santa Monica: Santa Monica DA CA LSANCA03JMD  506J TWILIO INTERNATIONAL INC 730   2020-10-20   
424-877 5 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 6 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 7 Santa Monica: Santa Monica DA CA LSANCAJWIMD  965H FRACTEL LLC 730   2020-07-26   
424-877 8 Santa Monica: Santa Monica DA CA LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730   2020-12-06   
424-877 9 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730   2021-03-25   
424-888 A Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-888 0 Inglewood CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-27   
424-888 1 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
424-888 2 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-888 3 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-888 4 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-888 5 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-11-22   
424-888 6 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-03-15   
424-888 7 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-04-18   
424-888 8 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-09-20   
424-888 9 Inglewood CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2011-06-08   
424-899 A Inglewood CA   965H FRACTEL LLC 730   2021-10-30   
424-899 0 Inglewood CA   624H ONVOY SPECTRUM, LLC 730   2021-11-14   
424-899 1 Inglewood CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2021-10-31   
424-899 2 Inglewood CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2021-10-31   
424-899 3 Inglewood CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2021-10-31   
424-899 4 Inglewood CA   939H COMMIO LLC 730   2021-10-31   
424-899 5 Inglewood CA   939H COMMIO LLC 730   2021-10-31   
424-899 6 Inglewood CA   939H COMMIO LLC 730   2021-10-31   
424-899 7 Inglewood CA   939H COMMIO LLC 730   2021-10-31   
424-899 8 Inglewood CA   939H COMMIO LLC 730   2021-10-31   
424-899 9 Inglewood CA   965H FRACTEL LLC 730   2021-10-30   
424-900 A West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-900 0 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-01-01   
424-900 1 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-05   
424-900 2 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-05   
424-900 3 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-05   
424-900 4 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-05   
424-900 5 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-05   
424-900 6 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   
424-900 7 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   
424-900 8 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   
424-900 9 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-01-01   
424-901 A West Los Angeles CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730      
424-901 0 West Los Angeles CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-09-05   

<< 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 >>

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.