O’Fallon, IL Banking Center

First National Bank of Waterloo has been a lending leader in southern Illinois communities since 1912. Our team of banking experts helps businesses flourish and residents’ dreams come true through our many lending solutions.

As a community bank, that’s our goal, and our customer-focused approach has set a standard for banking in the area. Our banking centers in O’Fallon bring another customer-focused banking option to St. Clair County.

Our banking center in O’Fallon is located at 1177 N Green Mount Road. It is conveniently located and provides all the services you’d expect from a community bank.

Visit us in person to experience firsthand what a hometown bank is all about. Or call us at 618-632-1010. We can help with any of your banking needs!


Lobby Hours

8:30am – 4:30pm – Monday to Thursday

8:30am – 6:00pm – Friday

8:30am – Noon – Saturday


Drive-Up Hours

7:30am – 5:00pm – Monday to Wednesday

7:30am – 5:30pm – Thursday

7:30am – 6:00pm – Friday

7:30am – Noon – Saturday


Encouraging Words from Our Patrons


“Overall, I find First National Bank of Waterloo to be the best bank that I have ever used in my life!” – Janet P.

“What I like the most about First National Bank of Waterloo is that they are a good home town bank.” – Jen W.

“We moved out of the state but still left our account at First National Bank of Waterloo due to the customer service.” – Herman W.

“They spotted charges on my account that I didn’t know were happening or how it happened. They stopped it and saved me a lot of money.” – Brett G.

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