Home Postcode finder QLD Crinum Crinum postcode QLD Crinum is a locality in Queensland covered by postcode 4723. Postcode 4723 State or territory Queensland (QLD) Region Central QLD Add a free Crinum business listing Be the first listing in Crinum Common questionsWhat is the postcode for Crinum?Crinum, QLD has the postcode 4723.What state is Crinum in?Crinum is in Queensland (QLD).Does postcode 4723 cover more than one suburb?Yes. Postcode 4723 covers 11 localities, so the postcode alone does not identify Crinum. Browse other postcodes in Queensland, or widen the search to every Australian postcode.