Home Postcodes by state NSW 2112 Postcode 2112 2112 is the postcode for 3 localities in NSW: Denistone East, Putney and Ryde. Localities with postcode 2112Denistone EastNSWPutneyNSWRydeNSW Postcode 2112 State or territory New South Wales (NSW) Localities 3 Council area Ryde Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2111 · Postcode 2113