Home Postcode finder QLD Kings Beach Kings Beach postcode QLD Kings Beach is a locality in Queensland covered by postcode 4551. Postcode 4551 State or territory Queensland (QLD) Region Sunshine Coast Add a free Kings Beach business listing Be the first listing in Kings Beach Common questionsWhat is the postcode for Kings Beach?Kings Beach, QLD has the postcode 4551.What state is Kings Beach in?Kings 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 Kings Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.