Harlowton City Offices 17 S Central Ave Harlowton, MT 59036 Phone : (406) 632-5523 Business Category Government Offices-City Village & Twp Legislative Bodies Harlowton City Of--city Offices Courthouse Harlowton, MT 59036 Phone : (406) 632-5523 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools