MEC - George Mason University Share: Schools MEC - George Mason University Visit Website 4400 University Drive, MS 3C2 Fairfax, VA 22030 (703) 993-8846 (703) 993-8784 (fax) http://www.gmu.edu About Map About George Mason University has campuses in Arlington, Fairfax and Prince William, emphasizing the needs of the region. What's Nearby? Distance: 5 10 15 20 25 50 mi.