Contact COE Headquarters using the following information for questions:
Phone: 800-COE-CALL (800-263-2255)
312-321-5153 in Chicago and outside the U.S.
Fax: 312-673-6587
Mail: COE Headquarters
330 North Wabash Avenue
Suite 2000
Chicago, IL 60611 USA
Email: coe@coe.org
Membership & Operations Team
Sales Services Team
Marketing & Communications Team