Home Postcodes by state NSW 2847 Postcode 2847 2847 is the postcode for Portland, NSW. Localities with postcode 2847PortlandNSW Postcode 2847 State or territory New South Wales (NSW) Localities 1 Council area Lithgow Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2846 · Postcode 2848