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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-300 A Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256      
304-300 0 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2008-09-20   
304-300 1 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2008-09-20   
304-300 2 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2008-09-20   
304-300 3 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2008-09-20   
304-300 4 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2008-09-20   
304-300 5 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2009-10-04   
304-300 6 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2009-10-04   
304-300 7 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2009-10-04   
304-300 8 Clarksburg WV WLSMWV01XOX  368E YMAX COMMUNICATIONS CORP. - WV 256   2009-10-04   
304-300 9 Clarksburg WV CLBGWVMAXHX  080F BANDWIDTH.COM CLEC, LLC - WV 256   2010-10-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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