Home Postcodes by state QLD 4183 Postcode 4183 4183 is the postcode for 5 localities in QLD: Amity, Amity Point, Dunwich, North Stradbroke Island and Point Lookout. Localities with postcode 4183AmityQLDAmity PointQLDDunwichQLDNorth Stradbroke IslandQLDPoint LookoutQLD Postcode 4183 State or territory Queensland (QLD) Localities 5 Council area Redland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4179 · Postcode 4184