Home Postcode finder QLD Crystal Creek Crystal Creek postcode QLD Crystal Creek is a locality in Queensland covered by postcode 4816. Postcode 4816 State or territory Queensland (QLD) Region North QLD Add a free Crystal Creek business listing Be the first listing in Crystal Creek Common questionsWhat is the postcode for Crystal Creek?Crystal Creek, QLD has the postcode 4816.What state is Crystal Creek in?Crystal Creek is in Queensland (QLD).Does postcode 4816 cover more than one suburb?Yes. Postcode 4816 covers 40 localities, so the postcode alone does not identify Crystal Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.