Great Western Bank Customer Service Number

Great Western Bank – a Division of First Interstate Bank - is a full-service regional bank focused on relationship-based business and agribusiness banking. Great Western Bank – a Division of First Interstate Bank - services its customers through more than 170 branches in nine states: Arizona, Colorado, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota and South Dakota. Great Western Bank – a Division of First Interstate Bank - offers small and mid-sized businesses a focused suite of financial products and a range of deposit and loan products to retail customers through several channels, including the branch network, online banking system, mobile banking applications and customer care centers. Our Mission: Make Life Great by empowering our employees, strengthening our customers and enriching our communities. Our Values: Service, Accountability, Trustworthiness, Commitment, Teamwork Great Western Bank Division of First Interstate Bank is an Affirmative Action/Equal Opportunity Employer. M/F/D/V Member FDIC. Equal Housing Lender.