Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-366 A Dalark AR DLRKARXARS1  1691 WINDSTREAM ARKANSAS, INC. 530      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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