As of 2015, the toll-free contact number for general inquiries at CarMax Auto Superstore in Gilbert, Arizona, is 866-575-3882, and the local phone number is 480-518-8101. Customers can also find assistance by visiting CarMax at 1480 E. Motorplex Loop, Gilbert, Arizona.
CarMax associates assist customers via phone from 9 a.m. to 9 p.m. Monday through Saturday and 11 a.m. to 7 p.m. Sundays. Showroom hours are 10 a.m. to 9 p.m. Monday through Friday, 9 a.m. to 9 p.m. Saturdays and 12 p.m. to 7 p.m. Sundays.
CarMax has over 140 locations across the United States. The company has appraised more than 20 million vehicles and sold more than 5 million vehicles since its founding in 1993.