Home Postcode finder QLD Mount Garnet Mount Garnet postcode QLD Mount Garnet is a locality in Queensland covered by postcode 4872. Postcode 4872 State or territory Queensland (QLD) Region North QLD Add a free Mount Garnet business listing More business listings in Mount Garnet Businesses in Mount GarnetMt Garnet State SchoolGarnet St · 07 40974333 Common questionsWhat is the postcode for Mount Garnet?Mount Garnet, QLD has the postcode 4872.What state is Mount Garnet in?Mount Garnet is in Queensland (QLD).Does postcode 4872 cover more than one suburb?Yes. Postcode 4872 covers 21 localities, so the postcode alone does not identify Mount Garnet. Browse other postcodes in Queensland, or widen the search to every Australian postcode.