Old Second National Bank

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20201 S. LaGrange Rd, Frankfort, Illinois, 60423

Phone numbers

Main: (877) 866-0202
Fax: (815) 846-3925
Toll Free: (877) 866-0202

Visit our COVID page for hours, access information


Finance & Insurance > Banks & Credit Unions


NOTICE: *LOBBY ACCESS INSTRUCTIONS (Effective November 18, 2020):

MASKS: All customers (and employees) will be required to wear a mask in the branch. For security purposes, we do ask that you briefly lower and replace your mask for our cameras once you've entered the branch. Look for instructional signage or check with a greeter as you enter. (Hats and sunglasses remain prohibited in-branch.)

OCCUPANCY LIMITS: Each branch has a set occupancy limit based on size. We apologize if you have to wait until safe occupancy regulations are met. We ask that only customers conducting bank business enter the building and that interactions remain as brief as possible so other customers may be serviced.

CALL AHEAD FOR BRANCH ENTRY: Each branch will have a specific phone number posted at the entrance. Please call this number when you arrive for access to the lobby

IDENTIFICATION REQUIREMENTS: As an added security measure, we ask that all customers bring a government-issued photo ID, such as a driver's license or passport. Please note that you may be asked additional security questions to properly identify you

Customers are encouraged to use our drive-thru or any of our remote solutions (see below) whenever possible. Our goal is to practice social distancing as much as possible for the safety of all our customers and employees.

Since 1871, Old Second National Bank has been dedicated to serving the current and future needs of the families and businesses that make up the communities in which we live and work.

Our business division features local decision-makers, powerful credit solutions, and high-tech treasury and digital solutions. Individuals likewise enjoy the latest deposit and loan products, debit cards, and online solutions. Old Second also features a wide suite of mortgage products, from first-time homebuyers to experienced buyers. And our Wealth Management group offers retirement, investment, and trust solutions.

Throughout the decades, Old Second has taken a leadership role in the community, participating in numerous community events. Many bank employees are members of local non-profits and organizations. Familiarity with the community has also empowered the bank with first-hand knowledge of local financial needs. Old Second National Bank is an Equal Opportunity Employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex or national origin.

Member FDIC. Equal Housing Lender.

Monday: 8:00am to 6:00pm
Tuesday: 8:00am to 6:00pm
Wednesday: 8:00am to 6:00pm
Thursday: 8:00am to 6:00pm
Friday: 8:00am to 6:00pm
Saturday: 8:00am to 1:00pm
Sunday: Closed

Lobby hours: Mon-Fri 9:00 am - 5:00 pm; Sat 8:30 am - 12:00 pm. Visit oldsecond.com/COVID for lobby instructions



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