Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 479 [Rate centres in NPA 479] [Dial plan for NPA 479]

NXX: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-538 A Charleston AR   612K CSC VOICE, LLC 526      
479-538 5 Charleston AR   612K CSC VOICE, LLC 526   2024-05-12   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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