Home Postcodes by state NSW 2294 Postcode 2294 2294 is the postcode for Carrington, NSW. Localities with postcode 2294CarringtonNSW Postcode 2294 State or territory New South Wales (NSW) Localities 1 Council area Newcastle Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2293 · Postcode 2295