marsden-park postcode nswst Home ›› Postcode Finder ›› NSWST ›› Marsden-Park Marsden Park local listingsThe suburb of Marsden Park is located in NSW and has a postcode of 2765. Free marsden park business listing! Get the first free listing in marsden park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.