Home Postcode finder VIC Shays Flat Shays Flat postcode VIC Shays Flat is a locality in Victoria covered by postcode 3377. Postcode 3377 State or territory Victoria (VIC) Region Vic Far Country Add a free Shays Flat business listing Be the first listing in Shays Flat Common questionsWhat is the postcode for Shays Flat?Shays Flat, VIC has the postcode 3377.What state is Shays Flat in?Shays Flat is in Victoria (VIC).Does postcode 3377 cover more than one suburb?Yes. Postcode 3377 covers 20 localities, so the postcode alone does not identify Shays Flat. Browse other postcodes in Victoria, or widen the search to every Australian postcode.