Home Postcode finder VIC St Clair St Clair postcode VIC St Clair is a locality in Victoria covered by postcode 3995. Postcode 3995 State or territory Victoria (VIC) Region Vic Far Country Add a free St Clair business listing Be the first listing in St Clair Common questionsWhat is the postcode for St Clair?St Clair, VIC has the postcode 3995.What state is St Clair in?St Clair is in Victoria (VIC).Does postcode 3995 cover more than one suburb?Yes. Postcode 3995 covers 12 localities, so the postcode alone does not identify St Clair. Browse other postcodes in Victoria, or widen the search to every Australian postcode.