Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MRBGWVBUFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
304-901 A Martinsburg WV 545B CITYNET WEST VIRGINIA, LLC - WV 240      
304-901 7 Martinsburg WV 545B CITYNET WEST VIRGINIA, LLC - WV 240   2007-12-17   
304-930 8 Charles Town WV 545B CITYNET WEST VIRGINIA, LLC - WV 240   2018-10-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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