Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-627 A Clarksburg WV CLBGWVMADS0  9214 FRONTIER WEST VIRGINIA INC. 256      
304-627 0 Clarksburg WV   6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 256   2014-03-27   
304-627 1 Clarksburg WV   080F BANDWIDTH.COM CLEC, LLC - WV 256   2008-11-24   
304-627 2 Clarksburg WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-627 3 Clarksburg WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-627 4 Clarksburg WV   8575 SPRINT SPECTRUM L.P.- WV 256   2007-05-02   
304-627 5 Clarksburg WV   8575 SPRINT SPECTRUM L.P.- WV 256   2007-05-02   
304-627 7 Clarksburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2011-06-03   
304-627 8 Clarksburg WV   6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 256   2013-05-04   
304-627 9 Clarksburg WV   6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 256   2013-05-04   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.