Home Postcode finder QLD Stockton Stockton postcode QLD Stockton is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Stockton business listing Be the first listing in Stockton Common questionsWhat is the postcode for Stockton?Stockton, QLD has the postcode 4871.What state is Stockton in?Stockton 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 Stockton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.