Home Postcode finder VIC Southern Cross Southern Cross postcode VIC Southern Cross is a locality in Victoria covered by postcode 3283. Postcode 3283 State or territory Victoria (VIC) Region Vic Far Country Add a free Southern Cross business listing Be the first listing in Southern Cross Common questionsWhat is the postcode for Southern Cross?Southern Cross, VIC has the postcode 3283.What state is Southern Cross in?Southern Cross is in Victoria (VIC).Does postcode 3283 cover more than one suburb?Yes. Postcode 3283 covers 10 localities, so the postcode alone does not identify Southern Cross. Browse other postcodes in Victoria, or widen the search to every Australian postcode.