Home Postcodes by state NSW 2448 Postcode 2448 2448 is the postcode for 4 localities in NSW: Hyland Park, Nambucca Heads, Valla and Valla Beach. Localities with postcode 2448Hyland ParkNSWNambucca HeadsNSWVallaNSWValla BeachNSW Postcode 2448 State or territory New South Wales (NSW) Localities 4 Council area Nambucca Valley Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2447 · Postcode 2449