Home Postcode finder QLD Boigu Island Boigu Island postcode QLD Boigu Island is a locality in Queensland covered by postcode 4875. Postcode 4875 State or territory Queensland (QLD) Region North QLD Add a free Boigu Island business listing More business listings in Boigu Island Businesses in Boigu IslandTagai State CollegeSchool Rd · 07 40901333 Common questionsWhat is the postcode for Boigu Island?Boigu Island, QLD has the postcode 4875.What state is Boigu Island in?Boigu 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 Boigu Island. Browse other postcodes in Queensland, or widen the search to every Australian postcode.