Home Postcode finder VIC Yarrawonga South Yarrawonga South postcode VIC Yarrawonga South is a locality in Victoria covered by postcode 3730. Postcode 3730 State or territory Victoria (VIC) Region Vic Far Country Add a free Yarrawonga South business listing Be the first listing in Yarrawonga South Common questionsWhat is the postcode for Yarrawonga South?Yarrawonga South, VIC has the postcode 3730.What state is Yarrawonga South in?Yarrawonga South is in Victoria (VIC).Does postcode 3730 cover more than one suburb?Yes. Postcode 3730 covers 10 localities, so the postcode alone does not identify Yarrawonga South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.