Home Postcode finder QLD Yorke Island Yorke Island postcode QLD Yorke Island is a locality in Queensland covered by postcode 4875. Postcode 4875 State or territory Queensland (QLD) Region North QLD Add a free Yorke Island business listing Be the first listing in Yorke Island Common questionsWhat is the postcode for Yorke Island?Yorke Island, QLD has the postcode 4875.What state is Yorke Island in?Yorke 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 Yorke Island. Browse other postcodes in Queensland, or widen the search to every Australian postcode.