Home Postcodes by state NSW 2224 Postcode 2224 2224 is the postcode for 4 localities in NSW: Kangaroo Point, Sylvania, Sylvania Southgate and Sylvania Waters. Localities with postcode 2224Kangaroo PointNSWSylvaniaNSWSylvania SouthgateNSWSylvania WatersNSW Postcode 2224 State or territory New South Wales (NSW) Localities 4 Council area Sutherland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2223 · Postcode 2225