Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 619 [Rate centres in NPA 619] [Dial plan for NPA 619]

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-274 A National City CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
619-274 0 National City CA   6529 T-MOBILE USA, INC. 732      
619-274 1 National City CA   6529 T-MOBILE USA, INC. 732      
619-274 2 National City CA   6529 T-MOBILE USA, INC. 732      
619-274 3 National City CA   6529 T-MOBILE USA, INC. 732   2005-03-28   
619-274 4 National City CA   6529 T-MOBILE USA, INC. 732   2006-01-23   
619-274 5 National City CA   6529 T-MOBILE USA, INC. 732   2006-09-23   
619-274 6 National City CA   6529 T-MOBILE USA, INC. 732      
619-274 7 National City CA   6529 T-MOBILE USA, INC. 732   2005-01-07   
619-274 8 National City CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2007-12-04   
619-274 9 National City CA   6529 T-MOBILE USA, INC. 732      

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

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