Simple mobile banking
from out of town?
No problem!

Continue your banking experience anywhere, anytime
at the comfort of your own phone. Download our
Mobile app to bank with ease.

Serving Winnebago and Surrounding area for over 150 Years

I would like to:


140 years


Locally and
Family Owned

Friendly Service


Proud of being part of Winnebago’s success

First Financial Bank offers is a locally and family owned banking institution whose service is rooted in the community.

We have helped the community of Winnebago and its surrounding area for 140 years. Whether you are you are an individual or enterprise we are happy to serve you.


Let us Help You Harvest your Dreams

First Financial Bank is rooted in the success of our agricultural and commercial industries.

Our team works to promote financial success through services that support you, our agricultural partners. You have a tough job, let us help. We take the time to get to know you and your operation to provide the best financial support that allows you to move forward with confidence toward your financial and farming goals!

Invest in the future at home

When you save with us, you invest in the local community

It’s always better to have some financial stability on unexpected circumstances. Save your money with us. We help you with your future and you help our local community.

First National Bank Front door

Invest in a home

Owning your dream home is within your reach

Whether you are a first time homeowner or investing in your third house, First Financial Bank offers competitive housing loan rates that fit your family’s needs.

Community Bank Amboy MN | First Financial Bank in Winnebago

Personal, Commercial, Agricultural, and Private Banking Services

Download Our Mobile App

Get it on the App Store
Get it on Google Play

First Financial Bank was founded in 1870 and has maintained a strong community presence in Winnebago MN for more than 140 years now. We are a family-owned community bank offering personal, commercial, agricultural, and private banking services - all delivered by bankers that are dedicated to providing you the one-on-one service and attention you deserve.

First NationalBank in Winnebago
1 S Main St,
Winnebago, MN 56098,
United States

Phone Number: (507) 893-3155
Hours: Monday - Friday, 8:30 AM - 3:30 PM
Saturday, 8:30 AM - 11:30 AM

Winnebago Links

Description text

About Amboy MN

Located along the beautiful Blue Earth River and along the historic Daniel Boone motor trail  is an excellent small town with many great things to offer. Amboy is located on the junction of Highway 169 & 30, nineteen miles south of Mankato and fifteen miles north of Blue Earth. Whether you are traveling east or west on highway 30 or north and south along highway 169, make Amboy your next destination.

The Amboy community has a robust business and retail community and we continue to add more goods and service for your convenience. We would like to welcome our latest new business 112 Maine Street  to this list. The city is proud of their farming roots, yet continue to evolve with changing economic and business trends which include a new generation of specialty business, services and cottage industry.

Other cities near Amboy:
Truman, Blue Earth, Winnebago, Delavan

Zip Codes near Amboy:
56002, 56010, 56024, 56034, 56037, 56055, 56063, 56065, 56078, 56080

Neighborhoods in Amboy:
Pearl Street, Amboy / Pleasant Street, Amboy / Impulse Road, Amboy / Reed Court, Amboy / Prairie Street, Amboy / Radke Street, Amboy / Main Street East, Amboy / Main Street West, Amboy / E Main Street, Amboy / North State Street, Amboy

You are now leaving First Financial Bank In Winnebago

The link you have selected directs you to a site not controlled by First Financial Bank in Winnebago. First Financial Bank in Winnebago is in no way responsible for the information, content, presentation, or accuracy of information found on any external website, nor does it endorse or make any warranties, express or implied, regarding the external site.

You will be redirected to

Click the link above to continue or CANCEL

Scroll to Top