Home Postcode finder QLD Banks Creek Banks Creek postcode QLD Banks Creek is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Banks Creek business listing Be the first listing in Banks Creek Common questionsWhat is the postcode for Banks Creek?Banks Creek, QLD has the postcode 4306.What state is Banks Creek in?Banks Creek is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Banks Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.