Home Postcodes by state NSW 2809 Postcode 2809 2809 is the postcode for Greenethorpe, NSW. Localities with postcode 2809GreenethorpeNSW Postcode 2809 State or territory New South Wales (NSW) Localities 1 Council area Weddin Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2808 · Postcode 2810