Grapevine Fire Department. Grapevine, TX, Tarrant County in the Dallas/Fort Worth Metroplex. We are streaming our Dispatch channel, channels 2, 3 and 4. Channel 2 is our primary channel for all calls. Channel 3 is our fire ground channel. This is streaming through a Barix Instreamer. Fort Worth Regional Radio System, Project 25, Phase II. Grapevine operates on this system using Site 3 (Northeast Tarrant).