Home Postcode finder QLD Cowley Cowley postcode QLD Cowley is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Cowley business listing Be the first listing in Cowley Common questionsWhat is the postcode for Cowley?Cowley, QLD has the postcode 4871.What state is Cowley in?Cowley is in Queensland (QLD).Does postcode 4871 cover more than one suburb?Yes. Postcode 4871 covers 103 localities, so the postcode alone does not identify Cowley. Browse other postcodes in Queensland, or widen the search to every Australian postcode.