Home Postcode finder QLD Macleay Island Macleay Island postcode QLD Macleay Island is a locality in Queensland covered by postcode 4184. Postcode 4184 State or territory Queensland (QLD) Region South Subs Add a free Macleay Island business listing More business listings in Macleay Island Businesses in Macleay IslandMacleay Island State School145-155 High Central Rd · 07 34008333 Common questionsWhat is the postcode for Macleay Island?Macleay Island, QLD has the postcode 4184.What state is Macleay Island in?Macleay Island is in Queensland (QLD).Does postcode 4184 cover more than one suburb?Yes. Postcode 4184 covers 7 localities, so the postcode alone does not identify Macleay Island. Browse other postcodes in Queensland, or widen the search to every Australian postcode.