Home Postcode finder QLD Black Duck Creek Black Duck Creek postcode QLD Black Duck Creek is a locality in Queensland covered by postcode 4343. Postcode 4343 State or territory Queensland (QLD) Region Western Suburbs Add a free Black Duck Creek business listing Be the first listing in Black Duck Creek Common questionsWhat is the postcode for Black Duck Creek?Black Duck Creek, QLD has the postcode 4343.What state is Black Duck Creek in?Black Duck Creek is in Queensland (QLD).Does postcode 4343 cover more than one suburb?Yes. Postcode 4343 covers 24 localities, so the postcode alone does not identify Black Duck Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.