Home Postcode finder QLD Crystal Waters Crystal Waters postcode QLD Crystal Waters is a locality in Queensland covered by postcode 4552. Postcode 4552 State or territory Queensland (QLD) Region Sunshine Coast Add a free Crystal Waters business listing Be the first listing in Crystal Waters Common questionsWhat is the postcode for Crystal Waters?Crystal Waters, QLD has the postcode 4552.What state is Crystal Waters in?Crystal Waters is in Queensland (QLD).Does postcode 4552 cover more than one suburb?Yes. Postcode 4552 covers 14 localities, so the postcode alone does not identify Crystal Waters. Browse other postcodes in Queensland, or widen the search to every Australian postcode.