Home Postcode finder QLD Dundathu Dundathu postcode QLD Dundathu is a locality in Queensland covered by postcode 4650. Postcode 4650 State or territory Queensland (QLD) Region Sunshine Coast Add a free Dundathu business listing Be the first listing in Dundathu Common questionsWhat is the postcode for Dundathu?Dundathu, QLD has the postcode 4650.What state is Dundathu in?Dundathu is in Queensland (QLD).Does postcode 4650 cover more than one suburb?Yes. Postcode 4650 covers 48 localities, so the postcode alone does not identify Dundathu. Browse other postcodes in Queensland, or widen the search to every Australian postcode.