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