Home Postcode finder VIC Glen Forbes Glen Forbes postcode VIC Glen Forbes is a locality in Victoria covered by postcode 3990. Postcode 3990 State or territory Victoria (VIC) Region Vic Far Country Add a free Glen Forbes business listing Be the first listing in Glen Forbes Common questionsWhat is the postcode for Glen Forbes?Glen Forbes, VIC has the postcode 3990.What state is Glen Forbes in?Glen Forbes is in Victoria (VIC).Does postcode 3990 cover more than one suburb?No. Postcode 3990 covers Glen Forbes only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.