croydon-park postcode nswst Home ›› Postcode Finder ›› NSWST ›› Croydon-Park Croydon Park local listingsThe suburb of Croydon Park is located in NSW and has a postcode of 2133. Free croydon park business listing! Get the first free listing in croydon park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.