Home Postcode finder QLD Stockyard Stockyard postcode QLD Stockyard is a locality in Queensland covered by postcode 4703. Postcode 4703 State or territory Queensland (QLD) Region Central QLD Add a free Stockyard business listing Be the first listing in Stockyard Common questionsWhat is the postcode for Stockyard?Stockyard, QLD has the postcode 4703.What state is Stockyard in?Stockyard is in Queensland (QLD).Does postcode 4703 cover more than one suburb?Yes. Postcode 4703 covers 30 localities, so the postcode alone does not identify Stockyard. Browse other postcodes in Queensland, or widen the search to every Australian postcode.