Contact Us

Routing #271984832

Connect with Great Lakes Credit Union anytime and anywhere! We value your feedback and are here to assist with any questions regarding our products, services or to provide necessary support.

For account specific inquiries such as a name change or change of address, please contact us via email, by phone or in person.

Submit a question using email.

Our knowledgeable staff will provide you with the information and support you need, from account information to loan applications, just give us a call.

Toll Free U.S. - (800) 982-7850

Local and Outside the U.S. - (847) 578-7000

Monday - Friday - 8:30 a.m. to 6:00 p.m.
Saturday - 9:00 a.m. to 2:00 p.m.

Rate Lines - (800) 982-7850
Service Center - (800) 982-7850
Mortgages - (833) ASK-GLCU | (833) 275-4528
Loan Center - (844) 235-LOAN | (844) 235-5626

View all GLCU's locations

Great Lakes Credit Union P.O. Box 1289 Bannockburn, IL 60015