Cheyenne County Of--court House Sidney, NE 69162 Phone : (308) 254-2080 Business Category Cheyenne County Commissioners 1000 10th Ave Sidney, NE 69162 Phone : (308) 254-2080 Business Category Government Offices-County Legislative Bodies Cheyenne County Of--sidney, Commissioners Court House Sidney, NE 69162 Phone : (308) 254-2080 Business Category Government Offices-County Government Offices & Public Schools