wilpinjong postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wilpinjong Wilpinjong local listingsThe suburb of Wilpinjong is located in NSW and has a postcode of 2850. Free wilpinjong business listing! Get the first free listing in wilpinjong! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.