MidFirst Bank is known for its exceptional customer service and friendly staff across its locations in Oklahoma, Arizona, Colorado, and Texas. Customers often describe their visits as pleasant, with staff who are courteous, knowledgeable, and personable. Many customers feel welcomed and appreciated, noting that staff members often know them by name and go out of their way to provide helpful and thorough service. Despite some comments about the website being outdated, the bank's in-branch experience consistently receives high praise. The staff are recognized for their professionalism, humor, and willingness to answer questions, making banking at MidFirst Bank a positive experience for many. As the largest privately owned bank in the U.S., MidFirst offers a wide range of personal, commercial, trust, wealth management, and mortgage services, delivering a special brand of banking to its customers.