Home Postcode finder QLD Fitzroy Island Fitzroy Island postcode QLD Fitzroy Island is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Fitzroy Island business listing Be the first listing in Fitzroy Island Common questionsWhat is the postcode for Fitzroy Island?Fitzroy Island, QLD has the postcode 4871.What state is Fitzroy Island in?Fitzroy Island is in Queensland (QLD).Does postcode 4871 cover more than one suburb?Yes. Postcode 4871 covers 103 localities, so the postcode alone does not identify Fitzroy Island. Browse other postcodes in Queensland, or widen the search to every Australian postcode.