Map Mode - Show buildings assigned to selected Dispatch centre(s)

This idea is fairly simple. Add an option that would show any and all buildings on a map assigned to a selected dispatch centre(s). This would be incredibly helpful for certain building deployment, such as setting up Fire, Police and Ambo for airports. I could have them assigned to a specific dispatch centre and then when configuring them/setting them up, I can just have those buildings displayed on the map. Equally helpful for things like Fire stations assigned to a specific area, such as a county