Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 805 [Rate centres in NPA 805] [Dial plan for NPA 805]

NXX: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
805-821 A San Luis Obispo CA SNBBCAXFXAY  508J CENTURYLINK COMMUNICATIONS, LLC 740      
805-821 0 San Luis Obispo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-11-01   
805-821 1 San Luis Obispo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2014-08-25   
805-821 6 San Luis Obispo CA   508J CENTURYLINK COMMUNICATIONS, LLC 740   2016-10-26   
805-821 8 San Luis Obispo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-11-26   

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

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