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. Contact us via email, by phone or in person.

  • Email Us

    Submit a question using email.

  • Call Center

    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. - 1-800-982-7850

    Local and Outside the U.S. - 1-847-578-7000

    M, T, TH, F - 9:00 a.m. to 6:00 p.m.
    Wednesday - 9:00 a.m. to 3:00 p.m.
    Saturday - 9:00 a.m. to 3:00 p.m.

    Rate Lines - 1-800-982-7850
    Toll Free U.S. - 1-800-982-7850
    24 hours a day, 7 days a week

  • Branch Locations

    View all GLCU's locations

  • U.S. Mail (Main Branch)

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

  • VISA┬« Card Contacts

    If you need to report a LOST or STOLEN card, during or after normal business hours, please view the Lost/Stolen Credit/Debit Cards reference page and match your card to one of the images shown. The correct contact information will be displayed next to the image.