Banks in Harlowton, Montana, the US. Banks locations in Harlowton, Montana. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Finance Funeral home School All banks in Harlowton Citizens Bank & Trust Co ATM Finance Bank +1 406-632-4373 32 Central Avenue South, Harlowton, Montana 59036 Write a review Phone Website Directions