Home Postcode finder QLD Boulder Creek Boulder Creek postcode QLD Boulder Creek is a locality in Queensland covered by postcode 4714. Postcode 4714 State or territory Queensland (QLD) Region Central QLD Add a free Boulder Creek business listing Be the first listing in Boulder Creek Common questionsWhat is the postcode for Boulder Creek?Boulder Creek, QLD has the postcode 4714.What state is Boulder Creek in?Boulder Creek is in Queensland (QLD).Does postcode 4714 cover more than one suburb?Yes. Postcode 4714 covers 18 localities, so the postcode alone does not identify Boulder Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.