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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
310-561 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-05-23   
310-561 8 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-18   
310-561 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-04-15   
310-618 A TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 0 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 1 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 2 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 3 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-05-08   
310-618 5 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 6 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 7 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 8 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-618 9 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-619 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-619 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 2 GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-619 3 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2009-01-16   
310-619 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-634 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-634 0 LSANCARCD3S  649C ONVOY, LLC - CA 730      
310-634 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2000-12-27   
310-634 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-634 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-06   
310-755 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-755 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-03-27   
310-755 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-03-10   
310-755 2 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-755 3 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2006-08-14   
310-755 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2003-01-07   
310-755 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-21   
310-755 6 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-04-13   
310-755 7 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-04-13   
310-755 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-06-19   
310-755 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-08-27   
310-781 A TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-23   
310-781 1 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 2 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 3 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 4 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 5 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 6 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 7 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 8 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-781 9 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 A TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 0 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 1 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 2 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 3 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-11-26   
310-782 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-11-26   
310-782 6 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 7 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 8 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-782 9 TRNCCA11DS0  9740 PACIFIC BELL 730      
310-783 A TRNCCA11DS0  9740 PACIFIC BELL 730      
310-787 A TRNCCA11DS0  9740 PACIFIC BELL 730      
310-803 A ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
310-803 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-21   
310-803 1 ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
310-803 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-10-07   
310-803 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-03-08   
310-803 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-05-15   
310-803 5 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2000-04-05   
310-803 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-10-07   
310-803 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-06-09   
310-803 8 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2000-04-17   
310-803 9 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-19   
310-901 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 0 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
310-901 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 4 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
310-901 5 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
310-901 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-901 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-931 A LSANCA039MD  9748 AMERICAN MESSAGING SERVICES, LLC 730      
310-938 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-951 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-953 A IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      

<< 1 2 3 4 5 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.