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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-397 A Hurricane WV HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254      
304-397 0 Hurricane WV CHTNWVLEX6Z  080F BANDWIDTH.COM CLEC, LLC - WV 254      
304-397 2 Hurricane WV CHTNWVCE8MD  545B CITYNET WEST VIRGINIA, LLC - WV 254      
304-397 3 Hurricane WV CHTNWVBMDS0  7849 LUMOS NETWORKS INC. - VA 254      
304-397 4 Hurricane WV CHTNWVJADS0  4095 FIBERNET, LLC - WV 254      
304-397 5 Hurricane WV HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254      
304-397 6 Hurricane WV CHTNWVLE7MD  391E CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV 254      
304-397 7 Hurricane WV CHTNWVLEX4Z  546B MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WV 254      
304-397 8 Hurricane WV HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.