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
424-445 8 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-05-02   
424-445 9 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-05-02   
424-446 A Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-446 0 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
424-446 1 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
424-446 2 Beverly Hills CA LSANCA03JMD  506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
424-446 3 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-07-20   
424-446 4 Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-08-24   
424-446 5 Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-08-24   
424-446 6 Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-08-24   
424-446 7 Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-06-15   
424-446 8 Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-06-15   
424-446 9 Beverly Hills CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-06-15   
424-447 A Inglewood CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-447 0 Inglewood CA LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-01   
424-447 1 Inglewood CA LSANCARC32Z  073H TELNYX LLC 730   2021-07-04   
424-447 2 Inglewood CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-20   
424-447 3 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-447 4 Inglewood CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-05-13   
424-447 5 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-447 6 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-447 7 Inglewood CA LSANCA03JMD  506J TWILIO INTERNATIONAL, INC. 730   2020-10-26   
424-447 8 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-447 9 Inglewood CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-02-15   
424-448 A Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-448 0 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-11   
424-448 1 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-11   
424-448 2 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-11   
424-448 3 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-11   
424-448 4 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-11   
424-448 5 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-10   
424-448 6 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-10   
424-448 7 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-10   
424-448 8 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-10   
424-448 9 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-05-10   
424-449 A Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-449 0 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-20   
424-449 1 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-20   
424-449 2 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-20   
424-449 3 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-449 4 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-449 5 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-449 6 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-449 7 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-449 8 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-449 9 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-08-19   
424-450 A San Pedro CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-450 0 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-11-17   
424-450 1 San Pedro CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-450 2 San Pedro CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-11-02   

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.