Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 619

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-619 A Torrance CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-619 0 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 1 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 2 Torrance CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-619 3 Torrance CA   899D METROPCS NETWORKS, LLC 730   2009-01-16   
310-619 4 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 5 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 6 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 7 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 8 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   
310-619 9 Torrance CA   6529 T-MOBILE USA, INC. 730   2003-01-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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