Old Second National Bank

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Old Second National Bank As Old Second expands throughout Chicagoland and the surrounding communities, our commitment to a better banking experience remains steadily on course.

Unlike other Chicago-area banks, our heritage traces the advancement and evolution of the banking industry and the growth and expansion of the Chicago metropolitan area. Backed by an unwavering sense of financial responsibility and focus on humanity, we've persevered through the most challenging and rewarding economic climates and historical events since the late nineteenth century. For more than 150 years, Old Second has consistently put businesses and individuals throughout the Chicago area first, and we're only getting started. Member FDIC. Equal Housing Lender.

We wish everyone a safe and happy Labor Day!All branches are closed today and will resume normal business hours tomorrow...
09/07/2026

We wish everyone a safe and happy Labor Day!
All branches are closed today and will resume normal business hours tomorrow 9/8.

REMINDER: All O2 branches will be closed Monday, September 7th for Labor Day.
09/03/2026

REMINDER: All O2 branches will be closed Monday, September 7th for Labor Day.

Don't wait for the rate to drop.🏠The perfect time to buy a home isn't always about the rate. If you've found the right h...
08/24/2026

Don't wait for the rate to drop.🏠

The perfect time to buy a home isn't always about the rate. If you've found the right home, the right time may be now.
Talk with an Old Second mortgage lender about your options and make your move with confidence.

Don't wait. Start the conversation today. https://ow.ly/W3kG50ZBFF9

O2 Wealth - Weekly Economic Update - 8/7/2026Japanese rates could affect the global marketshttps://ow.ly/3cca50ZxOyb ...
08/07/2026

O2 Wealth - Weekly Economic Update - 8/7/2026
Japanese rates could affect the global markets
https://ow.ly/3cca50ZxOyb

GET A TRUE ADVANTAGE WITH OLD SECOND BANK.
03/09/2018

GET A TRUE ADVANTAGE WITH OLD SECOND BANK.

Add to your Money Connection Checking Account a Money Builder Savings account with $10,000 or more, and earn 1.00% interest rate for 6 months (0.54% APY on balances of$25,000 - $49,999; 0.56% APY on balances of $50,000 or more).5

Address

333 West Wacker Drive, Ste 1010
Chicago, IL
60606

Opening Hours

Monday 9am - 4pm
Tuesday 9am - 4pm
Wednesday 9am - 4pm
Thursday 9am - 4pm
Friday 9am - 4pm

Telephone

+18778660202

Website

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