Postcode 2148 This postcode covers more than one locality. Which one are you after? Blacktown New South Wales LGA: Blacktown Arndell Park New South Wales LGA: Blacktown Huntingwood New South Wales LGA: Blacktown Kings Park (NSW) New South Wales LGA: Blacktown Marayong New South Wales LGA: Blacktown Prospect (NSW) New South Wales LGA: Blacktown