Dallas County Auditor 801 Court St # 200 Adel, IA 50003 Phone : (515) 993-4751 Business Category Government Offices-County Legislative Bodies Public Finance Taxation & Monetary Policy Dallas County Of--auditor Adel, IA 50003 Phone : (515) 993-4751 Business Category Government Offices-County Government Offices & Public Schools Dallas County Of--elections & Voter Registration Adel, IA 50003 Phone : (515) 993-4751 Business Category Government Offices-County Government Offices & Public Schools