Home Postcode finder VIC Montgomery Montgomery postcode VIC Montgomery is a locality in Victoria covered by postcode 3851. Postcode 3851 State or territory Victoria (VIC) Region Vic Far Country Add a free Montgomery business listing Be the first listing in Montgomery Common questionsWhat is the postcode for Montgomery?Montgomery, VIC has the postcode 3851.What state is Montgomery in?Montgomery is in Victoria (VIC).Does postcode 3851 cover more than one suburb?Yes. Postcode 3851 covers 27 localities, so the postcode alone does not identify Montgomery. Browse other postcodes in Victoria, or widen the search to every Australian postcode.