Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Dierks, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-286 A DRKSARXARS0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-825 A DRKSARXARS0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-825 0 DRKSARXARS0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-825 1 GLWDARXA4MD  624H ONVOY SPECTRUM, LLC 528   2025-01-07   
870-825 2 LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2006-09-28   
870-825 5 LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-06-25   
870-825 9 DRKSARXARP0  1691 WINDSTREAM ARKANSAS, INC. 528      

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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