Home Postcode finder VIC York Plains York Plains postcode VIC York Plains is a locality in Victoria covered by postcode 3477. Postcode 3477 State or territory Victoria (VIC) Region Vic Far Country Add a free York Plains business listing Be the first listing in York Plains Common questionsWhat is the postcode for York Plains?York Plains, VIC has the postcode 3477.What state is York Plains in?York Plains is in Victoria (VIC).Does postcode 3477 cover more than one suburb?Yes. Postcode 3477 covers 30 localities, so the postcode alone does not identify York Plains. Browse other postcodes in Victoria, or widen the search to every Australian postcode.