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: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-271 A Hollister CA SLNSCA01XBY  073H TELNYX LLC 736      
831-271 0 Hollister CA SLNSCA01XBY  073H TELNYX LLC 736   2021-08-14   
831-271 1 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-08-15   
831-271 5 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-05-12   
831-271 6 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-05-12   
831-271 7 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-01-27   
831-271 8 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-01-27   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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