Home Postcode finder QLD Gununa Gununa postcode QLD Gununa is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Gununa business listing More business listings in Gununa Businesses in GununaMornington Island State SchoolLardil St Mornington Island · 07 47457243 Common questionsWhat is the postcode for Gununa?Gununa, QLD has the postcode 4871.What state is Gununa in?Gununa 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 Gununa. Browse other postcodes in Queensland, or widen the search to every Australian postcode.