Home Postcodes by state NSW 2127 Postcode 2127 2127 is the postcode for 3 localities in NSW: Newington, Sydney Olympic Park and Wentworth Point. Localities with postcode 2127NewingtonNSWSydney Olympic ParkNSWWentworth PointNSW Postcode 2127 State or territory New South Wales (NSW) Localities 3 Council area Parramatta Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2126 · Postcode 2128