Home Postcode finder VIC Preston Lower Preston Lower postcode VIC Preston Lower is a locality in Victoria covered by postcode 3072. Postcode 3072 State or territory Victoria (VIC) Region Preston Add a free Preston Lower business listing Be the first listing in Preston Lower Common questionsWhat is the postcode for Preston Lower?Preston Lower, VIC has the postcode 3072.What state is Preston Lower in?Preston Lower is in Victoria (VIC).Does postcode 3072 cover more than one suburb?Yes. Postcode 3072 covers 7 localities, so the postcode alone does not identify Preston Lower. Browse other postcodes in Victoria, or widen the search to every Australian postcode.