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: 327

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-327 A Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2025-02-23   
831-327 0 Hollister CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-05-04   
831-327 1 Hollister CA   6529 T-MOBILE USA, INC. 736   2025-05-25   
831-327 8 Hollister CA   6529 T-MOBILE USA, INC. 736   2025-02-24   
831-327 9 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2025-02-23   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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