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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-666 A West Union WV WLNGWVCPX7X  423C ARMSTRONG TELECOMMUNICATIONS, INC. - WV 256      
304-666 0 West Union WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2013-08-12   
304-666 1 West Union WV WLNGWVCPX7X  423C ARMSTRONG TELECOMMUNICATIONS, INC. - WV 256   2010-05-30   
304-666 2 West Union WV CLBGWVMAXHX  080F BANDWIDTH.COM CLEC, LLC - WV 256   2018-04-05   
304-666 3 West Union WV CLBGWVMAXHX  080F BANDWIDTH.COM CLEC, LLC - WV 256   2018-04-05   
304-666 4 West Union WV CLBGWVMAXVX  449F ONVOY, LLC - WV 256   2019-02-08   
304-666 5 West Union WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2019-06-07   
304-666 6 West Union WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2019-06-07   
304-666 7 West Union WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2019-06-07   
304-666 8 West Union WV MGTWWVDX2MD  073H TELNYX LLC 256   2018-10-11   
304-666 9 West Union WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2019-06-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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