Home Postcode finder VIC Strathdownie Strathdownie postcode VIC Strathdownie is a locality in Victoria covered by postcode 3312. Postcode 3312 State or territory Victoria (VIC) Region Vic Far Country Add a free Strathdownie business listing Be the first listing in Strathdownie Common questionsWhat is the postcode for Strathdownie?Strathdownie, VIC has the postcode 3312.What state is Strathdownie in?Strathdownie is in Victoria (VIC).Does postcode 3312 cover more than one suburb?Yes. Postcode 3312 covers 19 localities, so the postcode alone does not identify Strathdownie. Browse other postcodes in Victoria, or widen the search to every Australian postcode.