Home Postcode finder VIC Marong Marong postcode VIC Marong is a locality in Victoria covered by postcode 3515. Postcode 3515 State or territory Victoria (VIC) Region Vic Far Country Add a free Marong business listing More business listings in Marong Businesses in MarongMarong Primary SchoolCalder Highway · 03 54352288Waterstore Poly Tanks211 Wimmera Highway · (03) 5435 2388Waterstore Poly Tanks211 Wimmera Highway · (03) 5435 2388 Common questionsWhat is the postcode for Marong?Marong, VIC has the postcode 3515.What state is Marong in?Marong is in Victoria (VIC).Does postcode 3515 cover more than one suburb?Yes. Postcode 3515 covers 3 localities, so the postcode alone does not identify Marong. Browse other postcodes in Victoria, or widen the search to every Australian postcode.