WRZK (95.9 FM, "95.9 The Hog") is a radio station broadcasting an active rock format. Licensed to Colonial Heights, Tennessee, USA, it serves the Tri-Cities TN / VA area. The station is owned by Glenwood Communications Corporation, through subsidiary Holston Valley Broadcasting Corporation.The station was assigned the WRZK call letters by the Federal Communications Commission on March 21, 1997.