Horizon Financial Bank Share: Financial Institutions Horizon Financial Bank Visit Website 1207 W Divide Ave. Bismarck, ND 58507-7160 (701) 751-7274 (701) 751-7275 (fax) About Map About Horizon Financial Bank provides a comprehensive suite of banking products and prides itself on being a ND owned & operated community bank since 1905. Its main office is in Munich, ND & has 3 branches. What's Nearby? Distance: 5 10 15 20 25 50 mi.