Home Postcode finder QLD Cressbrook Cressbrook postcode QLD Cressbrook is a locality in Queensland covered by postcode 4313. Postcode 4313 State or territory Queensland (QLD) Region Western Suburbs Add a free Cressbrook business listing Be the first listing in Cressbrook Common questionsWhat is the postcode for Cressbrook?Cressbrook, QLD has the postcode 4313.What state is Cressbrook in?Cressbrook is in Queensland (QLD).Does postcode 4313 cover more than one suburb?Yes. Postcode 4313 covers 13 localities, so the postcode alone does not identify Cressbrook. Browse other postcodes in Queensland, or widen the search to every Australian postcode.