Green County Child Support 1016 16th Ave Monroe, WI 53566 Phone : (608) 328-9460 Business Category Administration Of Social Human Resource & Income Maintenance Programs Green County Of--child Support Agency Courthouse Monroe, WI 53566 Phone : (608) 328-9460 Business Category Government Offices-County Government Offices & Public Schools Child Support Agency Court House Monroe, WI 53566 Phone : (608) 328-9460 Business Category Government Offices-County Government Offices & Public Schools