Home Postcode finder VIC Skinners Flat Skinners Flat postcode VIC Skinners Flat is a locality in Victoria covered by postcode 3518. Postcode 3518 State or territory Victoria (VIC) Region Vic Far Country Add a free Skinners Flat business listing Be the first listing in Skinners Flat Common questionsWhat is the postcode for Skinners Flat?Skinners Flat, VIC has the postcode 3518.What state is Skinners Flat in?Skinners Flat is in Victoria (VIC).Does postcode 3518 cover more than one suburb?Yes. Postcode 3518 covers 16 localities, so the postcode alone does not identify Skinners Flat. Browse other postcodes in Victoria, or widen the search to every Australian postcode.