Home Postcodes by state NSW 2119 Postcode 2119 2119 is the postcode for 2 localities in NSW: Beecroft and Cheltenham. Localities with postcode 2119BeecroftNSWCheltenhamNSW Postcode 2119 State or territory New South Wales (NSW) Localities 2 Council area Mainly Hornsby, partly Parramatta; Hornsby Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2118 · Postcode 2120