Home Postcode finder QLD Kirknie Kirknie postcode QLD Kirknie is a locality in Queensland covered by postcode 4806. Postcode 4806 State or territory Queensland (QLD) Region North QLD Add a free Kirknie business listing Be the first listing in Kirknie Common questionsWhat is the postcode for Kirknie?Kirknie, QLD has the postcode 4806.What state is Kirknie in?Kirknie is in Queensland (QLD).Does postcode 4806 cover more than one suburb?Yes. Postcode 4806 covers 9 localities, so the postcode alone does not identify Kirknie. Browse other postcodes in Queensland, or widen the search to every Australian postcode.