Home Postcodes by state NT 0820 Postcode 0820 0820 is the postcode for 18 localities in NT: Bagot, Bayview, Charles Darwin, Coonawarra, Cullen Bay, Darwin International Airport and 12 more. Localities with postcode 0820BagotNTBayviewNTCharles DarwinNTCoonawarraNTCullen BayNTDarwin International AirportNTEast PointNTEatonNTFannie BayNTLarrakeyahNTLudmillaNTParapNTRaaf Base DarwinNTStuart ParkNTThe GardensNTThe NarrowsNTWinnellieNTWoolnerNT Postcode 0820 State or territory Northern Territory (NT) Localities 18 Council area Darwin Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 0812 · Postcode 0828