Supportive Living Services--traill County Housing Authority Hillsboro, ND 58045 Phone : (701) 436-5785 Business Category Government Offices-County Social Service & Welfare Organizations Housing Authorities Community Services Administration Of Housing Programs Government Offices & Public Schools Traill County Housing Auth 16 W Caledonia Ave Hillsboro, ND 58045 Phone : (701) 436-5785 Business Category Real Estate Government Offices-County Housing Authorities Administration Of Housing Programs Government Offices & Public Schools