Contact Us

To Get In Touch, Simply Deposit Your Info Below.

We’re committed to ensuring your private information is secure. For your protection, please do not send sensitive information such as account numbers, Social Security Numbers, or other private information through email.
Request an Appointment

Contact Us

 

DIRECT CONTACTS

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

Monday-Friday 8am-5pm CST (with extended hours* 5pm-11pm CST)
Saturday 8am-1pm CST (with extended hours* 1pm-5pm CST and Sunday 9am-5pm CST)
Email Customer Service: SupportCenter@oldsecond.com
Phone Customer Service: 877-866-0202
*Extended hours provides limited support for account inquires and product information.

833-530-LOAN (5626)
Toll Free: 888-892-6565
Email: onlinebanking@oldsecond.com
Phone: 630-844-4826
Email: eStatements@oldsecond.com
Phone: 630-844-4826
Email: depositservices@oldsecond.com
Phone: 630-966-2455
Toll Free: 800-290-7893
Toll Free: 888-297-3416
Outside U.S.: 206-389-5200

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 2nd 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.

*Indicates required field.