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: 833

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-833 A Hollister CA SLNTCAPS0MD  939H COMMIO, LLC 736      
831-833 0 Hollister CA   649C ONVOY, LLC - CA 736   2023-07-24   
831-833 1 Hollister CA   649C ONVOY, LLC - CA 736   2024-04-02   
831-833 2 Hollister CA   490J DISH WIRELESS, LLC 736   2023-12-10   
831-833 3 Hollister CA   939H COMMIO, LLC 736   2022-04-25   
831-833 4 Hollister CA   649C ONVOY, LLC - CA 736   2023-10-29   
831-833 5 Hollister CA   6529 T-MOBILE USA, INC. 736   2023-08-11   
831-833 6 Hollister CA   6529 T-MOBILE USA, INC. 736   2023-06-05   
831-833 7 Hollister CA   649C ONVOY, LLC - CA 736   2022-10-15   
831-833 8 Hollister CA   649C ONVOY, LLC - CA 736   2022-10-15   
831-833 9 Hollister CA   6529 T-MOBILE USA, INC. 736   2022-10-16   

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

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