Home Postcode finder QLD Golden Beach Golden Beach postcode QLD Golden Beach is a locality in Queensland covered by postcode 4551. Postcode 4551 State or territory Queensland (QLD) Region Sunshine Coast Add a free Golden Beach business listing Be the first listing in Golden Beach Common questionsWhat is the postcode for Golden Beach?Golden Beach, QLD has the postcode 4551.What state is Golden Beach in?Golden Beach is in Queensland (QLD).Does postcode 4551 cover more than one suburb?Yes. Postcode 4551 covers 14 localities, so the postcode alone does not identify Golden Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.