Home Postcode finder VIC St Kilda South St Kilda South postcode VIC St Kilda South is a locality in Victoria covered by postcode 3182. Postcode 3182 State or territory Victoria (VIC) Region Moorabbin Add a free St Kilda South business listing Be the first listing in St Kilda South Common questionsWhat is the postcode for St Kilda South?St Kilda South, VIC has the postcode 3182.What state is St Kilda South in?St Kilda South is in Victoria (VIC).Does postcode 3182 cover more than one suburb?Yes. Postcode 3182 covers 3 localities, so the postcode alone does not identify St Kilda South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.