"Great Plains Bank offers a great selection of personal and business banking solutions, including savings accounts, checking accounts and loans. With locations across Oklahoma and Texas, we are proud to be your friend, your neighbor, and your banker." Our commitment to provide the best kind of banking can be summed up in our mission statement: "To exceed our customers' expectations by delivering superior customer service that will lead Great Plains Bank to being the dominant bank in each of our markets. Ownership and management are committed to this same level of service to our family of employees." Have questions? We want to hear from you.