marong postcode vicch Home ›› Postcode Finder ›› VICCH ›› Marong Marong local listingsThe suburb of Marong is located in VIC and has a postcode of 3515. Free marong business listing! 1Marong Primary SchoolCalder Highway 03 543522882Waterstore Poly Tanks211 Wimmera Highway (03) 5435 23883Waterstore Poly Tanks211 Wimmera Highway (03) 5435 2388 View more business listings in marong Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.