Home Postcodes by state NSW 2748 Postcode 2748 2748 is the postcode for Orchard Hills, NSW. Localities with postcode 2748Orchard HillsNSW Postcode 2748 State or territory New South Wales (NSW) Localities 1 Council area Penrith Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2747 · Postcode 2749