University of Iowa Community Credit Union (UICCU) is a member owned financial cooperative with 16 office locations. Since being organized in 1938, UICCU has grown to be the largest credit union in Iowa with over 4 billion in assets and 155,000 members. Membership is open to anyone living or working in Iowa and 4 counties in Illinois (listed below)*. You can also join if you are a University of Iowa student, staff, or alumni; or a direct relative of a current member.