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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-678 A Sutton WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-678 0 Sutton WV   449F ONVOY, LLC - WV 256   2021-03-07   
304-678 1 Sutton WV   449F ONVOY, LLC - WV 256   2021-03-07   
304-678 2 Sutton WV   080F BANDWIDTH.COM CLEC, LLC - WV 256   2017-10-20   
304-678 3 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      
304-678 4 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      
304-678 5 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      
304-678 6 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      
304-678 7 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      
304-678 8 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      
304-678 9 Sutton WV   6284 UNITED STATES CELLULAR - WV 256      

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

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