Home Postcodes by state NSW 2230 Postcode 2230 2230 is the postcode for 5 localities in NSW: Bundeena, Burraneer, Cronulla, Maianbar and Woolooware. Localities with postcode 2230BundeenaNSWBurraneerNSWCronullaNSWMaianbarNSWWooloowareNSW Postcode 2230 State or territory New South Wales (NSW) Localities 5 Council area Sutherland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2229 · Postcode 2231