Home Postcode finder QLD Mission River Mission River postcode QLD Mission River is a locality in Queensland covered by postcode 4874. Postcode 4874 State or territory Queensland (QLD) Region North QLD Add a free Mission River business listing Be the first listing in Mission River Common questionsWhat is the postcode for Mission River?Mission River, QLD has the postcode 4874.What state is Mission River in?Mission River is in Queensland (QLD).Does postcode 4874 cover more than one suburb?Yes. Postcode 4874 covers 12 localities, so the postcode alone does not identify Mission River. Browse other postcodes in Queensland, or widen the search to every Australian postcode.