Home Postcodes by state NSW 2284 Postcode 2284 2284 is the postcode for 7 localities in NSW: Argenton, Boolaroo, Booragul, Marmong Point, Speers Point, Teralba and 1 more. Localities with postcode 2284ArgentonNSWBoolarooNSWBooragulNSWMarmong PointNSWSpeers PointNSWTeralbaNSWWoodrisingNSW Postcode 2284 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 2283 · Postcode 2285