Home Postcodes by state NSW 2574 Postcode 2574 2574 is the postcode for 4 localities in NSW: Avon, Bargo, Pheasants Nest and Yanderra. Localities with postcode 2574AvonNSWBargoNSWPheasants NestNSWYanderraNSW Postcode 2574 State or territory New South Wales (NSW) Localities 4 Council area Mainly Wingecarribee, partly Wollongong; Wollondilly Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2573 · Postcode 2575