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.

San Pedro, CA

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
424-517 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-14   
424-517 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-14   
424-517 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-14   
424-517 8 GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-11-11   
424-517 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-14   
424-533 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-533 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-12-12   
424-533 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-22   
424-533 2 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2017-02-26   
424-533 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-03-28   
424-533 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-22   
424-533 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-04   
424-533 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-05-05   
424-533 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-04   
424-533 8 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-01-28   
424-533 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-01-28   
424-534 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 1 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 2 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 8 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-534 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-09   
424-536 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-536 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-02   
424-536 1   515J IP HORIZON LLC 730   2015-08-06   
424-536 2   515J IP HORIZON LLC 730   2015-08-06   
424-536 3 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-08-27   
424-536 4 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-05-12   
424-536 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-01   
424-536 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-01   
424-536 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-01   
424-536 8 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-10-21   
424-536 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-08-12   
424-540 A   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2025-02-17   
424-540 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-04-01   
424-540 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2025-03-21   
424-540 4   624H ONVOY SPECTRUM, LLC 730   2025-04-05   
424-540 5   624H ONVOY SPECTRUM, LLC 730   2025-04-05   
424-540 7   624H ONVOY SPECTRUM, LLC 730   2025-04-05   
424-540 9   649C ONVOY, LLC - CA 730   2025-04-06   
424-552 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-552 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2017-12-07   
424-552 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-09-22   
424-552 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-09-22   
424-552 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-09-22   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.