Home Postcodes by state NSW 2285 Postcode 2285 2285 is the postcode for 7 localities in NSW: Cameron Park, Cardiff, Cardiff Heights, Cardiff South, Edgeworth, Glendale and 1 more. Localities with postcode 2285Cameron ParkNSWCardiffNSWCardiff HeightsNSWCardiff SouthNSWEdgeworthNSWGlendaleNSWMacquarie HillsNSW Postcode 2285 State or territory New South Wales (NSW) Localities 7 Council area Lake Macquarie Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2284 · Postcode 2286