Contact us Unions & Activities Email: Unions@nau.edu Phone: 928-523-4313 1050 S. Knoles Drive PO Box 5670 Flagstaff, AZ 86011 University Union Contact Information Tab Open du Bois Center Contact Information Tab Closed University Union Contact Information Accordion Open Email: Info.Desk@nau.edu Phone: 928-523-4636 Lost and Found: unionlostandfound@nau.edu du Bois Center Contact Information Accordion Closed Email: Info.Desk@nau.edu Phone: 928-523-1594 Lost and Found: dublostandfound@nau.edu