Culbertson City Of Culbertson, MT 59218 Phone : (406) 787-5371 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Coulbertson City Of--city Clerk Culbertson, MT 59218 Phone : (406) 787-5371 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools