Local Calling Guide

Area code/prefix search

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NPA: 681 [Rate centres in NPA 681] [Dial plan for NPA 681]

NXX: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-766 A Martinsburg WV   824J OPENTACT INC. 240   2026-05-21   
681-766 3 Martinsburg WV   824J OPENTACT INC. 240   2026-05-21   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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