Contact Us

Have questions? Just need to talk?

We're here for you—that's the beauty of a community bank. Whether your preference is to communicate in-person, on the phone, online, or even right now through a Live Chat session, we are available to provide you with answers, or get you in touch with those who can.


For more information about how Old Second can help you, please contact us.

Monday-Friday 8am-6pm, Saturday 8am-1pm
Email: SupportCenter@oldsecond.com
Phone: 877-866-0202
Phone: 630-892-6565 | Toll Free: 888-892-6565
Email: eStatements@oldsecond.com
Phone: 630-844-4826

Notice of Errors and Requests for Information concerning your mortgage loan:
If you think there is an error with respect to your mortgage loan, or you need additional information about your mortgage loan, write to us at the address below.  Do not include your letter with your mortgage payment. Be sure to include the following information on your letter: your name and loan number, telephone number, and a description of the suspected error or documentation or information you are requesting regarding your loan.

Old Second National Bank
Attention: Loan Servicing 1st Floor NOE
37 S River St.
Aurora, IL 60506-4172

CONTACT US

Old Second National Bank is committed to protecting your privacy and ensuring your private information is secure. For your protection, do not send sensitive information such as account numbers, Social Security Numbers or private information through email.

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