All GRNB offices will be closed on Wednesday, June 19th, in observance of the federal holiday, Juneteenth.

Contact Us

Have a question, concern, or just want to get the ball rolling on a new product or service?  Your message will be seen by senior level executives who will take action and respond within 1 business day.  If you need immediate assistance, please call us during normal business hours.  To report a lost or stolen debit card please call 1-800-417-8715

New Accounts: 630.580.1520
E-Banking: 630.580.1409
Loan Servicing: 630.580.1011

Business Hours: Monday – Friday 9 am to 5 pm (Central Standard Time)


Wheaton Office

Grand Ridge Branch

Michigan Office

Tampa Office


For your protection, do NOT include your access ID, password, or Social Security Number in the form.