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: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 806

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-806 A West Los Angeles CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-806 0 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-05-23   
310-806 1 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-01-12   
310-806 2 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-01-12   
310-806 3 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-01-12   
310-806 4 West Los Angeles CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-806 5 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-05-09   
310-806 6 West Los Angeles CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-806 7 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-02-18   
310-806 8 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-02-18   
310-806 9 West Los Angeles CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.