Home Postcode finder VIC Auburn South Auburn South postcode VIC Auburn South is a locality in Victoria covered by postcode 3122. Postcode 3122 State or territory Victoria (VIC) Region Hawthorn Add a free Auburn South business listing Be the first listing in Auburn South Common questionsWhat is the postcode for Auburn South?Auburn South, VIC has the postcode 3122.What state is Auburn South in?Auburn South is in Victoria (VIC).Does postcode 3122 cover more than one suburb?Yes. Postcode 3122 covers 5 localities, so the postcode alone does not identify Auburn South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.