Banks in Roundup, Montana, the US. Banks locations in Roundup, Montana. Find the nearest banks locations, near you. All types of business services ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School All banks in Roundup 1/5 Closed now Until 09:00 am Wells Fargo Bank ATM Finance Bank +1 406-323-2000 12 Main Street, Roundup, Montana 59072 Write a review Phone Hours Website Directions 1/5 Closed now Until 09:00 am Wells Fargo Bank ATM Finance Bank +1 406-323-2000 12 Main Street, Roundup, Montana 59072 Write a review Phone Hours Website Directions