Home Postcode finder QLD Djuan Djuan postcode QLD Djuan is a locality in Queensland covered by postcode 4352. Postcode 4352 State or territory Queensland (QLD) Region Toowoomba Region Add a free Djuan business listing Be the first listing in Djuan Common questionsWhat is the postcode for Djuan?Djuan, QLD has the postcode 4352.What state is Djuan in?Djuan is in Queensland (QLD).Does postcode 4352 cover more than one suburb?Yes. Postcode 4352 covers 71 localities, so the postcode alone does not identify Djuan. Browse other postcodes in Queensland, or widen the search to every Australian postcode.