United Bank Of Iowa Address: 417 4th St, Rockwell City, IA 50579 Phone: (712) 297-7547 Banks Other Businesses: Green Acre Motel at 204 E High St, Rockwell City, IA 50579 Lynch's Mainstreet Bar & Grill at 336 Main St, Rockwell City, IA 50579 Las Flores at 125 E High St, Rockwell City, IA 50579 Dangie's Diner at 125 E High St, Rockwell City, IA 50579