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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-312 A Cameron WV MGTWWVDXDS1  5833 CORETEL WEST VIRGINIA, INC. - WV 256      
681-312 0 Cameron WV   449F ONVOY, LLC - WV 256   2021-03-07   
681-312 1 Cameron WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256      
681-312 3 Cameron WV   449F ONVOY, LLC - WV 256   2019-02-08   
681-312 4 Cameron WV   624H ONVOY SPECTRUM, LLC 256   2021-06-04   
681-312 9 Cameron WV   449F ONVOY, LLC - WV 256   2021-03-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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