Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 HGTWMD53NMD  824J OPENTACT INC. 240   2026-05-21   
681-766 3 Martinsburg WV HGTWMD53NMD  824J OPENTACT INC. 240   2026-05-21   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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