Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-230 A Paso Robles CA SNLOCA01X1Y  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2024-10-18   
820-230 0 Paso Robles CA   624H ONVOY SPECTRUM, LLC 740   2025-01-30   
820-230 9 Paso Robles CA SNLOCA01X1Y  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2024-10-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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