Great Plains National Bank

fries and ketchup


Just like fries + Ketchup, we are Greater.Together.

Our products and services were designed with you in mind! We make banking simple and convenient every step of the way!

Financial Advice to help you achieve your goals.

Great Plains National Bank offers an investment services program through Ameriprise Financial Services, LLC. Through on-site financial planning and investment solutions, they partner with us to help you reach your financial goals.

Business owner talking on phone with customer

You make it go. We make it go smoothly.

Great Plains Bank offers a robust suite of Treasury Management Services that helps you manage your business more effectively and efficiently

Take me to Treasury Management

Heritage. Trust. Respect.

These are the things that make us great. With deep roots across Oklahoma and Texas, we’re in touch with the communities in which we live and work.
Husband and wife business owners in store with open sign

Yes, we cover banking for your business, too.

We offer a variety of accounts for your business. Check them out today!

Young couple going over finances

Investment Services

Whether you’re a seasoned investor or a beginner, we offer financial advice to help you achieve your goals.

Take me to Investment Services

Young boy and parents playing with box in living room

Mortgage Services

Found your new home? Let us help get you moved in! Our mortgage lending team is here to guide you through the home-buying process.

Get a Mortgage Loan

Young woman working on finances in home office

Treasury Management

You know your business. We know business banking. Together, we can make sure your business runs smoothly.

Learn about Treasury Management

Exceeding expectations

Our goal is to exceed your expectations. From superior service to top-notch products, we are here to help you. Contact us today to see how we can help you with your banking needs.

With years of banking experience, our leadership team has always strived to build a bank you can count on.


We are always looking to add talented, caring bankers to our team. Check out available positions today!


With deep roots in community banking, we understand that the customer and the community should always come first.