marrickville-south postcode nsw Home ›› Postcode Finder ›› NSW ›› Marrickville-South Marrickville South local listingsThe suburb of Marrickville South is located in NSW and has a postcode of 2204. Free marrickville south business listing! Get the first free listing in marrickville south! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.