marnoo postcode vicbr Home ›› Postcode Finder ›› VICBR ›› Marnoo Marnoo local listingsThe suburb of Marnoo is located in VIC and has a postcode of 3387. Free marnoo business listing! 1Marnoo Primary SchoolNewall St 03 53592313 View more business listings in marnoo Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.