Founded in 1938, GLCU is a not-for-profit, member-owned credit union serving Chicagoland and beyond. With over 80,000 members and $1.3 billion in assets, we're committed to building lifelong relationships and providing financial education at every stage of life. Access your accounts nationwide through our CO-OP Shared Branching Network and fee-free CO-OP ATMs. Great Lakes Credit Union has 13 branch locations: 🏦 Antioch 🏦 Bolingbrook 🏦 Uptown 🏦Country Club Hills 🏦Crystal Lake 🏦Gurnee 🏦Naperville 🏦North Chicago 🏦Round Lake Beach 🏦Waukegan 🏦Woodstock 🏦Zion 🏦Libertyville 🏢Corporate Headquarters in Bannockburn Please feel free to contact us: General Service Toll Free U.S. - (800) 982-7850 Local and Outside the U.S. - (847) 578-7000 Mortgages - (833) ASK-GLCU | (833) 275-4528 Loan Center - (844) 235-LOAN | (844) 235-5626 Mail: P.O. Box 1289, Bannockburn, IL 60015 Branch Locations: https://www.glcu.org/about_us/locations/