Home Postcodes by state NSW 2571 Postcode 2571 2571 is the postcode for 8 localities in NSW: Balmoral, Buxton, Couridjah, Maldon, Mowbray Park, Picton and 2 more. Localities with postcode 2571BalmoralNSWBuxtonNSWCouridjahNSWMaldonNSWMowbray ParkNSWPictonNSWRazorbackNSWWiltonNSW Postcode 2571 State or territory New South Wales (NSW) Localities 8 Council area Wingecarribee; Wollondilly Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2570 · Postcode 2572