Contact Us

Main Branch

4619 S. King Drive
Chicago, IL 60653
Main: 773-624-2000
Fax: 773-624-5340

Chatham Office

8700 S. King Drive
Chicago, IL 60619
Main: 773-224-2160
Fax: 773-224-9042

You can also 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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