Home Postcode finder QLD Etty Bay Etty Bay postcode QLD Etty Bay is a locality in Queensland covered by postcode 4858. Postcode 4858 State or territory Queensland (QLD) Region North QLD Add a free Etty Bay business listing Be the first listing in Etty Bay Common questionsWhat is the postcode for Etty Bay?Etty Bay, QLD has the postcode 4858.What state is Etty Bay in?Etty Bay is in Queensland (QLD).Does postcode 4858 cover more than one suburb?Yes. Postcode 4858 covers 6 localities, so the postcode alone does not identify Etty Bay. Browse other postcodes in Queensland, or widen the search to every Australian postcode.