Home Postcodes by state NSW 2133 Postcode 2133 2133 is the postcode for 2 localities in NSW: Croydon Park and Enfield South. Localities with postcode 2133Croydon ParkNSWEnfield SouthNSW Postcode 2133 State or territory New South Wales (NSW) Localities 2 Council area Mainly Burwood, partly Canterbury-Bankstown Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2132 · Postcode 2134