Home Postcode finder VIC Healesville Main Street Healesville Main Street postcode VIC Healesville Main Street is a locality in Victoria covered by postcode 3777. Postcode 3777 State or territory Victoria (VIC) Region Ringwood Add a free Healesville Main Street business listing Be the first listing in Healesville Main Street Common questionsWhat is the postcode for Healesville Main Street?Healesville Main Street, VIC has the postcode 3777.What state is Healesville Main Street in?Healesville Main Street is in Victoria (VIC).Does postcode 3777 cover more than one suburb?Yes. Postcode 3777 covers 8 localities, so the postcode alone does not identify Healesville Main Street. Browse other postcodes in Victoria, or widen the search to every Australian postcode.