Home Postcode finder QLD Coen Coen postcode QLD Coen is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Coen business listing More business listings in Coen Businesses in CoenCoen State SchoolPeninsula Development Rd · 07 40601132 Common questionsWhat is the postcode for Coen?Coen, QLD has the postcode 4871.What state is Coen in?Coen 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 Coen. Browse other postcodes in Queensland, or widen the search to every Australian postcode.