Home Postcode finder VIC Main Lead Main Lead postcode VIC Main Lead is a locality in Victoria covered by postcode 3373. Postcode 3373 State or territory Victoria (VIC) Region Vic Far Country Add a free Main Lead business listing Be the first listing in Main Lead Common questionsWhat is the postcode for Main Lead?Main Lead, VIC has the postcode 3373.What state is Main Lead in?Main Lead is in Victoria (VIC).Does postcode 3373 cover more than one suburb?Yes. Postcode 3373 covers 13 localities, so the postcode alone does not identify Main Lead. Browse other postcodes in Victoria, or widen the search to every Australian postcode.