Home Postcode finder QLD Dugandan Dugandan postcode QLD Dugandan is a locality in Queensland covered by postcode 4310. Postcode 4310 State or territory Queensland (QLD) Region Western Suburbs Add a free Dugandan business listing Be the first listing in Dugandan Common questionsWhat is the postcode for Dugandan?Dugandan, QLD has the postcode 4310.What state is Dugandan in?Dugandan is in Queensland (QLD).Does postcode 4310 cover more than one suburb?Yes. Postcode 4310 covers 26 localities, so the postcode alone does not identify Dugandan. Browse other postcodes in Queensland, or widen the search to every Australian postcode.