Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Charles Town, WV

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
681-677 7 CMLDMDCMEMD  449F ONVOY, LLC - WV 240   2020-11-27   
681-677 8 CMLDMDCMEMD  449F ONVOY, LLC - WV 240   2021-03-05   
681-677 9 CMLDMDCMEMD  449F ONVOY, LLC - WV 240   2021-03-05   

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

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