sydney-olympic-park postcode nswst Home ›› Postcode Finder ›› NSWST ›› Sydney-Olympic-Park Sydney Olympic Park local listingsThe suburb of Sydney Olympic Park is located in NSW and has a postcode of 2127. Free sydney olympic park business listing! Get the first free listing in sydney olympic park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.