Flanagan State Bank was established over 100 years ago, but one thing has remained unchanged; Our Commitment to Customer Service. Our Montana branch has been serving the Belgrade community since 2017 and our team provides personalized and custom banking solutions for all of Montana. Whether you are a young family, a small business or just looking for that local bank feel, we will take the time to understand your needs and tailor solutions just for you. At Flanagan State Bank, we treat you like family.