Home Postcode finder QLD Shirbourne Shirbourne postcode QLD Shirbourne is a locality in Queensland covered by postcode 4809. Postcode 4809 State or territory Queensland (QLD) Region North QLD Add a free Shirbourne business listing Be the first listing in Shirbourne Common questionsWhat is the postcode for Shirbourne?Shirbourne, QLD has the postcode 4809.What state is Shirbourne in?Shirbourne is in Queensland (QLD).Does postcode 4809 cover more than one suburb?Yes. Postcode 4809 covers 8 localities, so the postcode alone does not identify Shirbourne. Browse other postcodes in Queensland, or widen the search to every Australian postcode.