Great Western Bank Address: 1516 E St Patrick St, Rapid City, SD 57703 Phone: (605) 343-3583 Hours: Mon: 10am-7pm Tue: 10am-7pm Wed: 10am-7pm Thu: 10am-7pm Fri: 10am-7pm Sat: 9am-5pm Banks, E Commerce Other Businesses: Dacotah Bank at 125 Main St, Rapid City, SD 57701 Great Western Bank at 14 St Joseph St, Rapid City, SD 57701 US Bank at 255 Texas St, Rapid City, SD 57701 Security First Bank at 5430 Sheridan Lake Rd, Rapid City, SD 57702 US Bank at 2200 N Maple Ave, Rapid City, SD 57701