Contact Us

You can access our Bank By Phone system 24 hours by calling (773) 873-6000

After business hours or on days when we are closed please call 1-800-627-8372 to report a lost debit card, stolen debit card, or fraudulent activity on your account.

Would you like further information on any product we offer? Would you like to know our current rates?

For more information, please contact us by calling 773-624-2000 or by submitting the form below.

GN Bank Routing Number - 271070924

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Our Locations

Main Office

4619 S Martin Luther King Jr. Drive
Chicago, IL 60653

Monday - Friday Apoointment Only 8:30am - 4:30pm
Saturday - Sunday CLOSED CLOSED