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: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-903 A Grafton WV CLBGWVMAJMD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 256      
304-903 0 Grafton WV   939H COMMIO, LLC 256   2021-10-16   
304-903 1 Grafton WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2013-08-09   
304-903 2 Grafton WV   928H PEERLESS NETWORK OF WEST VIRGINIA, LLC - WV 256   2018-03-09   
304-903 3 Grafton WV   080F BANDWIDTH.COM CLEC, LLC - WV 256   2018-06-01   
304-903 4 Grafton WV   9944 LEVEL 3 COMMUNICATIONS, LLC - WV 256      
304-903 6 Grafton WV   449F ONVOY, LLC - WV 256   2019-02-08   
304-903 7 Grafton WV   318J COMCAST IP PHONE, LLC 256   2019-05-17   
304-903 8 Grafton WV   318J COMCAST IP PHONE, LLC 256   2008-08-19   
304-903 9 Grafton WV   073H TELNYX LLC 256   2018-10-11   

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

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