Home Postcode finder QLD Mica Creek Mica Creek postcode QLD Mica Creek is a locality in Queensland covered by postcode 4825. Postcode 4825 State or territory Queensland (QLD) Region North QLD Add a free Mica Creek business listing Be the first listing in Mica Creek Common questionsWhat is the postcode for Mica Creek?Mica Creek, QLD has the postcode 4825.What state is Mica Creek in?Mica Creek is in Queensland (QLD).Does postcode 4825 cover more than one suburb?Yes. Postcode 4825 covers 36 localities, so the postcode alone does not identify Mica Creek. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in Queensland, or widen the search to every Australian postcode.