Home Postcode finder VIC Yabba South Yabba South postcode VIC Yabba South is a locality in Victoria covered by postcode 3646. Postcode 3646 State or territory Victoria (VIC) Region Vic Far Country Add a free Yabba South business listing Be the first listing in Yabba South Common questionsWhat is the postcode for Yabba South?Yabba South, VIC has the postcode 3646.What state is Yabba South in?Yabba South is in Victoria (VIC).Does postcode 3646 cover more than one suburb?Yes. Postcode 3646 covers 7 localities, so the postcode alone does not identify Yabba South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.