Home Postcode finder VIC Fiery Flat Fiery Flat postcode VIC Fiery Flat is a locality in Victoria covered by postcode 3518. Postcode 3518 State or territory Victoria (VIC) Region Vic Far Country Add a free Fiery Flat business listing Be the first listing in Fiery Flat Common questionsWhat is the postcode for Fiery Flat?Fiery Flat, VIC has the postcode 3518.What state is Fiery Flat in?Fiery 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 Fiery Flat. Browse other postcodes in Victoria, or widen the search to every Australian postcode.