First Security Bank Address: 301 2nd St, Riverdale, ND 58565 Phone: (701) 654-7421 Banks Other Businesses: North Country Bank at 302 2nd St, Riverdale, ND 58565 Riverdale High Lodge at 401 3rd St, Riverdale, ND 58565 Riverdale Inn at 314 4th St, Riverdale, ND 58565 Riverdale Inn at 314 4th St, Riverdale, ND 58565