Home Postcodes by state NSW 2818 Postcode 2818 2818 is the postcode for 2 localities in NSW: Geurie and Ponto. Localities with postcode 2818GeurieNSWPontoNSW Postcode 2818 State or territory New South Wales (NSW) Localities 2 Council area Dubbo Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2810 · Postcode 2820