Road Test Appointments Reservations are available for certain drivers' license transactions by calling a centralized Contact Center reservation line. Agents have the capability to schedule appointments by desired location at all of the state's Customer Service Centers.Contact Center Reservation Lines? (678) 413-8400* Select Option 4*? (866) 754-3687 (In Georgia but outside metro-Atlanta) Select Option 3. (If you are getting a fast busy signal, please call (678) 413-8400. The reservation system lines are open from 7:00am until 5:15pm Monday through Friday. Appointments can be made for any location in the state up to 90 days in advance. Testing is conducted from 9 AM to 5 PM at all locations. 1.