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
424-454 9 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-12-27   
424-455 A Culver City CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-455 0 Culver City CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-06-26   
424-455 1 Culver City CA LSANCARC86Z  996H AIRESPRING, INC. 730   2020-09-11   
424-455 2 Culver City CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-06-26   
424-455 3 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-455 4 Culver City CA LSANCA03JMD  506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
424-455 5 Culver City CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-26   
424-455 6 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-455 7 Culver City CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2021-07-01   
424-455 8 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-455 9 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-456 A Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-456 0 Hawthorne CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-10-10   
424-456 1 Hawthorne CA   515J IP HORIZON LLC 730   2006-10-09   
424-456 2 Hawthorne CA   515J IP HORIZON LLC 730   2006-10-09   
424-456 3 Hawthorne CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-08-10   
424-456 4 Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-01-10   
424-456 5 Hawthorne CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-08-31   
424-456 6 Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-10-06   
424-456 7 Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-09-21   
424-456 8 Hawthorne CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2007-09-03   
424-456 9 Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-09-21   
424-457 A Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-457 0 Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-24   
424-457 1 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-07   
424-457 2 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-07   
424-457 3 Beverly Hills CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2021-10-17   
424-457 4 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-07   
424-457 5 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-07   
424-457 6 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-07   
424-457 7 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-07   
424-457 8 Beverly Hills CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2021-10-17   
424-457 9 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-10-16   
424-458 A Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-458 0 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 1 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 2 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 3 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 4 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 5 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 6 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-10-29   
424-458 7 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2022-01-02   
424-458 8 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-12-11   
424-458 9 Redondo CA LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-30   
424-459 A Hawthorne CA LSANCAJW7MD  939H COMMIO, LLC 730      
424-459 0 Hawthorne CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-25   
424-459 1 Hawthorne CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-25   
424-459 2 Hawthorne CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-25   
424-459 3 Hawthorne CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-28   

<< 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: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.