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: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-258 A Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-258 0 Salinas CA   5562 METROPCS, INC. 736   2016-09-02   
831-258 1 Salinas CA   5562 METROPCS, INC. 736   2016-09-02   
831-258 2 Salinas CA   6529 T-MOBILE USA, INC. 736   2016-12-23   
831-258 3 Salinas CA   6529 T-MOBILE USA, INC. 736   2016-12-23   
831-258 4 Salinas CA   6529 T-MOBILE USA, INC. 736   2016-11-26   
831-258 5 Salinas CA   6529 T-MOBILE USA, INC. 736   2016-11-26   
831-258 6 Salinas CA   6529 T-MOBILE USA, INC. 736   2016-11-26   
831-258 7 Salinas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736   2016-10-16   
831-258 8 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2016-08-23   
831-258 9 Salinas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736   2016-08-22   

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

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