Joliet City Of--city Hall Joliet, MT 59041 Phone : (406) 962-3567 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Joliet Town Of--city Hall 116 S Main Joliet, MT 59041 Phone : (406) 962-3567 Business Category Government Offices-City Village & Twp Government Offices State & Local County Government-Courts City Government-Courts Courts Government Offices & Public Schools