Home Postcode finder VIC Macarthur Macarthur postcode VIC Macarthur is a locality in Victoria covered by postcode 3286. Postcode 3286 State or territory Victoria (VIC) Region Vic Far Country Add a free Macarthur business listing More business listings in Macarthur Businesses in MacarthurMacArthur Primary School23 Russell St · 03 55761245 Common questionsWhat is the postcode for Macarthur?Macarthur, VIC has the postcode 3286.What state is Macarthur in?Macarthur is in Victoria (VIC).Does postcode 3286 cover more than one suburb?Yes. Postcode 3286 covers 4 localities, so the postcode alone does not identify Macarthur. Browse other postcodes in Victoria, or widen the search to every Australian postcode.