Home Postcode finder VIC Clear Lake Clear Lake postcode VIC Clear Lake is a locality in Victoria covered by postcode 3409. Postcode 3409 State or territory Victoria (VIC) Region Vic Far Country Add a free Clear Lake business listing Be the first listing in Clear Lake Common questionsWhat is the postcode for Clear Lake?Clear Lake, VIC has the postcode 3409.What state is Clear Lake in?Clear Lake is in Victoria (VIC).Does postcode 3409 cover more than one suburb?Yes. Postcode 3409 covers 12 localities, so the postcode alone does not identify Clear Lake. Browse other postcodes in Victoria, or widen the search to every Australian postcode.