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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-257 A Mannington WV CLBGWVMAXVX  449F ONVOY, LLC - WV 256      
681-257 0 Mannington WV   080F BANDWIDTH.COM CLEC, LLC - WV 256   2021-12-02   
681-257 2 Mannington WV   449F ONVOY, LLC - WV 256   2020-12-04   
681-257 3 Mannington WV   449F ONVOY, LLC - WV 256   2019-02-15   
681-257 4 Mannington WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2019-04-26   
681-257 5 Mannington WV   624H ONVOY SPECTRUM, LLC 256   2021-06-04   
681-257 6 Mannington WV   077G TELEPORT COMMUNICATIONS AMERICA, LLC - WV 256   2019-10-04   
681-257 7 Mannington WV   449F ONVOY, LLC - WV 256   2020-12-04   
681-257 8 Mannington WV   449F ONVOY, LLC - WV 256   2021-07-26   

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

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