Mortar Board members always receive up to 25% off your rental when you use AWD# B291078. Plus, enjoy additional offers like dollars off, a complimentary upgrade or a free weekend day. With a complimentary membership in Avis Preferred®, you’ll travel better, save time and gain access to exclusive offers. Skip the counter and paperwork at many locations and go straight to your car. Visit our website or call 1-800-331-1212 to make a reservation.