Home Postcode finder VIC Mumbannar Mumbannar postcode VIC Mumbannar is a locality in Victoria covered by postcode 3304. Postcode 3304 State or territory Victoria (VIC) Region Vic Far Country Add a free Mumbannar business listing Be the first listing in Mumbannar Common questionsWhat is the postcode for Mumbannar?Mumbannar, VIC has the postcode 3304.What state is Mumbannar in?Mumbannar is in Victoria (VIC).Does postcode 3304 cover more than one suburb?Yes. Postcode 3304 covers 12 localities, so the postcode alone does not identify Mumbannar. Browse other postcodes in Victoria, or widen the search to every Australian postcode.