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Opportunity Bank Merger

Welcome to Opportunity Bank of Montana!

The merger of four Montana branches of Big Muddy Bancorp with Opportunity Bank of Montana became official January 1, 2019. This event joins local banks that share a commitment to serving Montana communities.  We are pleased to bring Big Muddy Bancorp and Opportunity Bank customers together, and we look forward to serving your financial needs for many years. Much will stay the same when you become an Opportunity Bank customer:

• The bank personnel you’ve come to know will continue to serve you.
• Serving the agricultural community remains a core part of our mission.
• You can continue using your current checks and debit cards.
• You can continue accessing online banking and phone banking as you have been.

Online Banking
Phone Banking
406-266-3600 or 1-888-666-3099

So what is changing?
• You’ll now have access to enhanced products and services, including real estate mortgages, higher lending limits, and wealth management.
• We plan to combine our systems in March 2019. You will get plenty of advance notice to learn about any changes to your products or services and to assure the conversion does not inconvenience you. Please watch your mail in early February for a detailed conversion guide.

We measure our success by the success of the communities we serve. I’m proud to include Townsend, Denton, Dutton and Choteau among those communities. We look forward to being your community bank.


Pete Johnson
President and CEO

If you have any questions or need assistance, please call us at 406-476-3462.

Agricultural Lending

Dutton State Bank has been serving the agricultural community faithfully since 1960.  We have a wide variety of farm and ranch loans available, including FSA Guaranteed loans, Operating Lines, Equipment Term Debt, Livestock, and Farm and Ranch mortgages.

Please contact one of our Loan Officers today to discuss your financing needs:

Mike Holmberg, Senior Lender  (406) 476-3462 ext. 107
Alice Copenhaver, Loan Officer (406) 476-3462 ext. 106

Since 1960…

Dutton State Bank has been serving the banking needs of Central Montana for over 50 years.   We pride ourselves on high quality personal service, a truly rare commodity in the banking world.

Dutton State Bank opened for business on September 17, 1960 in the present facility. Originally there were only two employees. A drive-up was added in 1973 and an addition to the north of the bank was completed in 1990. The first branch opened in White Sulphur Springs, MT in 2008.

The bank was formed after two local businessmen, Ray Van Heel and Jonas Johnson, proposed that a bank in Dutton would be of great interest to the people of this area. The original stockholders were local businessmen, farmers, and residents of the area. The bank remains locally owned with over 150 stockholders, most of which still live and work in our trade area.  Directors elected the first year were: C. A. Callan, Carl Eklund, Rudy Fuhringer, Don Moore, James Cheetham, M. B. Bolland, and Clarence Phillips.