Home Postcode finder QLD Dundowran Beach Dundowran Beach postcode QLD Dundowran Beach is a locality in Queensland covered by postcode 4655. Postcode 4655 State or territory Queensland (QLD) Region Sunshine Coast Add a free Dundowran Beach business listing Be the first listing in Dundowran Beach Common questionsWhat is the postcode for Dundowran Beach?Dundowran Beach, QLD has the postcode 4655.What state is Dundowran Beach in?Dundowran Beach is in Queensland (QLD).Does postcode 4655 cover more than one suburb?Yes. Postcode 4655 covers 25 localities, so the postcode alone does not identify Dundowran Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.