Home Postcode finder VIC Upper Gundowring Upper Gundowring postcode VIC Upper Gundowring is a locality in Victoria covered by postcode 3691. Postcode 3691 State or territory Victoria (VIC) Region Vic Far Country Add a free Upper Gundowring business listing Be the first listing in Upper Gundowring Common questionsWhat is the postcode for Upper Gundowring?Upper Gundowring, VIC has the postcode 3691.What state is Upper Gundowring in?Upper Gundowring is in Victoria (VIC).Does postcode 3691 cover more than one suburb?Yes. Postcode 3691 covers 34 localities, so the postcode alone does not identify Upper Gundowring. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in Victoria, or widen the search to every Australian postcode.