Home Postcode finder VIC Sea Lake Sea Lake postcode VIC Sea Lake is a locality in Victoria covered by postcode 3533. Postcode 3533 State or territory Victoria (VIC) Region Vic Far Country Add a free Sea Lake business listing More business listings in Sea Lake Businesses in Sea LakeSt Mary's School47 Hannon St · 03 50701272Tyrrell CollegeSutcliffe St · 03 50702106 Common questionsWhat is the postcode for Sea Lake?Sea Lake, VIC has the postcode 3533.What state is Sea Lake in?Sea Lake is in Victoria (VIC).Does postcode 3533 cover more than one suburb?Yes. Postcode 3533 covers 12 localities, so the postcode alone does not identify Sea Lake. Browse other postcodes in Victoria, or widen the search to every Australian postcode.