Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-789 A Salinas CA SLNSCA011KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 736      
831-789 0 Salinas CA   5562 METROPCS, INC. 736   2018-07-02   
831-789 1 Salinas CA   5562 METROPCS, INC. 736   2018-08-06   
831-789 2 Salinas CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2015-04-30   
831-789 3 Salinas CA   6529 T-MOBILE USA, INC. 736   2016-07-06   
831-789 4 Salinas CA   5562 METROPCS, INC. 736   2012-03-02   
831-789 5 Salinas CA   5562 METROPCS, INC. 736   2011-07-31   
831-789 6 Salinas CA   6529 T-MOBILE USA, INC. 736   2013-10-07   
831-789 7 Salinas CA   5562 METROPCS, INC. 736   2012-03-02   
831-789 8 Salinas CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2008-10-16   
831-789 9 Salinas CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 736   2017-11-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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