Opening hours of Organisations & Government in Mirriwinni, Queensland Opening hours of Organisations & Government in Mirriwinni, Queensland Home / Queensland / Mirriwinni / Organisations & Government Organisations & Government Mirriwinni Post Office Bruce Highway, Mirriwinni QLD 4871, Australia, Mirriwinni, Queensland (07) 4067 6204 Categories of local businesses in Mirriwinni Automotive Construction & Contractors Establishment Food Gas Station General Contractor Gym Health Industries & Agriculture Industry & Agriculture Landmarks Lodging Organisations & Government Park Real Estate Roofing Contractor Shopping & Services Sports & Recreations Train station Transit station