Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-457 A Philippi WV PHLPWVPIRS1  9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 0 Philippi WV   545B CITYNET WEST VIRGINIA, LLC - WV 256   2004-07-30   
304-457 1 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 2 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 3 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 4 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 5 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 6 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 7 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 8 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-457 9 Philippi WV   9214 FRONTIER WEST VIRGINIA INC. 256      

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

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