Division of Aeronautics Idaho Transportation Department (ITD) Division of Aeronautics 1390 Gowen Road, Boise, ID 83705 Phone: (208) 334-8775 | Fax: (208) 334-8789 | TTY/TDD Users: Dial 711 or (800) 377-3529 to use Idaho Relay System Aeronautics has moved! Click for directions & map of the Idaho Division of Aeronautics’ NEW location Report Suspicious Activity … Continue reading Aeronautics