Home Postcode finder QLD Coconut Island Coconut Island postcode QLD Coconut Island is a locality in Queensland covered by postcode 4875. Postcode 4875 State or territory Queensland (QLD) Region North QLD Add a free Coconut Island business listing Be the first listing in Coconut Island Common questionsWhat is the postcode for Coconut Island?Coconut Island, QLD has the postcode 4875.What state is Coconut Island in?Coconut Island is in Queensland (QLD).Does postcode 4875 cover more than one suburb?Yes. Postcode 4875 covers 17 localities, so the postcode alone does not identify Coconut Island. Browse other postcodes in Queensland, or widen the search to every Australian postcode.