Home Postcodes by state NSW 2757 Postcode 2757 2757 is the postcode for Kurmond, NSW. Localities with postcode 2757KurmondNSW Postcode 2757 State or territory New South Wales (NSW) Localities 1 Council area Hawkesbury Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2756 · Postcode 2758