Home Postcode finder VIC Balmattum Balmattum postcode VIC Balmattum is a locality in Victoria covered by postcode 3666. Postcode 3666 State or territory Victoria (VIC) Region Vic Far Country Add a free Balmattum business listing Be the first listing in Balmattum Common questionsWhat is the postcode for Balmattum?Balmattum, VIC has the postcode 3666.What state is Balmattum in?Balmattum is in Victoria (VIC).Does postcode 3666 cover more than one suburb?Yes. Postcode 3666 covers 16 localities, so the postcode alone does not identify Balmattum. Browse other postcodes in Victoria, or widen the search to every Australian postcode.