Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: CHTNWVCE8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
304-309 A Hinton WV 545B CITYNET WEST VIRGINIA, LLC - WV 254      
304-310 A Chapmanville WV 545B CITYNET WEST VIRGINIA, LLC - WV 254      
304-391 A Charleston Zone 1 WV 545B CITYNET WEST VIRGINIA, LLC - WV 254      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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