Home Postcode finder VIC Mongans Bridge Mongans Bridge postcode VIC Mongans Bridge is a locality in Victoria covered by postcode 3691. Postcode 3691 State or territory Victoria (VIC) Region Vic Far Country Add a free Mongans Bridge business listing Be the first listing in Mongans Bridge Common questionsWhat is the postcode for Mongans Bridge?Mongans Bridge, VIC has the postcode 3691.What state is Mongans Bridge in?Mongans Bridge 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 Mongans Bridge. 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.