Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 821 [Rate centres in NPA 821] [Dial plan for NPA 821]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
821-230 A Greenwood SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 430   2026-06-01   
821-230 0 Greenwood SC   145J TERRA NOVA TELECOM INC. 430   2026-06-05   
821-230 9 Greenwood SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 430   2026-06-01   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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