the-marra postcode nswst Home ›› Postcode Finder ›› NSWST ›› The-Marra The Marra local listingsThe suburb of The Marra is located in NSW and has a postcode of 2831. Free the marra business listing! Get the first free listing in the marra! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.