Home Postcode finder QLD Ross River Ross River postcode QLD Ross River is a locality in Queensland covered by postcode 4816. Postcode 4816 State or territory Queensland (QLD) Region North QLD Add a free Ross River business listing Be the first listing in Ross River Common questionsWhat is the postcode for Ross River?Ross River, QLD has the postcode 4816.What state is Ross River in?Ross River is in Queensland (QLD).Does postcode 4816 cover more than one suburb?Yes. Postcode 4816 covers 40 localities, so the postcode alone does not identify Ross River. Browse other postcodes in Queensland, or widen the search to every Australian postcode.