Home Postcode finder QLD Mysterton Mysterton postcode QLD Mysterton is a locality in Queensland covered by postcode 4812. Postcode 4812 State or territory Queensland (QLD) Region North QLD Add a free Mysterton business listing Be the first listing in Mysterton Common questionsWhat is the postcode for Mysterton?Mysterton, QLD has the postcode 4812.What state is Mysterton in?Mysterton is in Queensland (QLD).Does postcode 4812 cover more than one suburb?Yes. Postcode 4812 covers 9 localities, so the postcode alone does not identify Mysterton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.