Home Postcode finder QLD Kynuna Kynuna postcode QLD Kynuna is a locality in Queensland covered by postcode 4823. Postcode 4823 State or territory Queensland (QLD) Region North QLD Add a free Kynuna business listing Be the first listing in Kynuna Common questionsWhat is the postcode for Kynuna?Kynuna, QLD has the postcode 4823.What state is Kynuna in?Kynuna is in Queensland (QLD).Does postcode 4823 cover more than one suburb?Yes. Postcode 4823 covers 7 localities, so the postcode alone does not identify Kynuna. Browse other postcodes in Queensland, or widen the search to every Australian postcode.