Home Postcode finder VIC Milltown Milltown postcode VIC Milltown is a locality in Victoria covered by postcode 3304. Postcode 3304 State or territory Victoria (VIC) Region Vic Far Country Add a free Milltown business listing Be the first listing in Milltown Common questionsWhat is the postcode for Milltown?Milltown, VIC has the postcode 3304.What state is Milltown in?Milltown 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 Milltown. Browse other postcodes in Victoria, or widen the search to every Australian postcode.