Home Postcode finder VIC Appin Appin postcode VIC Appin is a locality in Victoria covered by postcode 3579. Postcode 3579 State or territory Victoria (VIC) Region Vic Far Country Add a free Appin business listing Be the first listing in Appin Common questionsWhat is the postcode for Appin?Appin, VIC has the postcode 3579.What state is Appin in?Appin is in Victoria (VIC).Does postcode 3579 cover more than one suburb?Yes. Postcode 3579 covers 29 localities, so the postcode alone does not identify Appin. Browse other postcodes in Victoria, or widen the search to every Australian postcode.