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.

Torrance, CA

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
424-399 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-06-20   
424-399 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-05-29   
424-435 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-435 0 LSANCARC32Z  073H TELNYX LLC 730   2020-12-18   
424-435 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-435 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-435 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-09-09   
424-435 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-435 6 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-05-30   
424-435 7 SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-11-02   
424-435 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-09-14   
424-435 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-07-26   
424-475 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-475 0 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-05-22   
424-475 1 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-05-22   
424-475 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-05-22   
424-475 3 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-05-22   
424-475 4 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2022-11-21   
424-475 5   026K BARR TELL USA, LLC 730   2022-06-08   
424-475 6 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-06-19   
424-475 7 LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-02-12   
424-475 8 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-02-12   
424-475 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-02-11   
424-484 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-484 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-484 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-11-18   
424-488 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-488 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-01-24   
424-488 1 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-25   
424-488 2 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
424-488 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-10-04   
424-488 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-06-15   
424-488 5 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-09-19   
424-488 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-10-04   
424-488 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-02-11   
424-488 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-14   
424-488 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-07-02   
424-492 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-492 0 LSANCARC32Z  073H TELNYX LLC 730   2023-12-28   
424-492 1 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-20   
424-492 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-11   
424-492 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-26   

<< 1 2 3 4 5 6 7 8 9 10 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.