Home Postcode finder QLD Miriwinni Miriwinni postcode QLD Miriwinni is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Miriwinni business listing More business listings in Miriwinni Businesses in MiriwinniMiriwinni State School3 Whitman St · 07 40676183 Common questionsWhat is the postcode for Miriwinni?Miriwinni, QLD has the postcode 4871.What state is Miriwinni in?Miriwinni 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 Miriwinni. Browse other postcodes in Queensland, or widen the search to every Australian postcode.