Home Postcodes by state NSW 2221 Postcode 2221 2221 is the postcode for 5 localities in NSW: Blakehurst, Carss Park, Connells Point, Kyle Bay and South Hurstville. Localities with postcode 2221BlakehurstNSWCarss ParkNSWConnells PointNSWKyle BayNSWSouth HurstvilleNSW Postcode 2221 State or territory New South Wales (NSW) Localities 5 Council area Georges River Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2220 · Postcode 2222