7 17 Credit Union is a progressive financial institution in Ohio offering credit union membership to those who live or work in Trumbull, Mahoning, Columbiana, Portage, Summit and central Stark counties. With 13 branches and state of the art technology, 7 17 is able to provide banking services to more than 87,000 members in the greater Youngstown, Warren, Howland, Cortland, Vienna, Kent, Ravenna, Canfield and Canton areas.