Home Postcodes by state NSW 2083 Postcode 2083 2083 is the postcode for 7 localities in NSW: Bar Point, Brooklyn, Cheero Point, Cogra Bay, Dangar Island, Milsons Passage and 1 more. Localities with postcode 2083Bar PointNSWBrooklynNSWCheero PointNSWCogra BayNSWDangar IslandNSWMilsons PassageNSWMooney MooneyNSW Postcode 2083 State or territory New South Wales (NSW) Localities 7 Council area Central Coast; Hornsby Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2082 · Postcode 2084