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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-597 A Martinsburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-05   
681-597 8 Martinsburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-05   
681-597 9 Martinsburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-05   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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