Postcode 2827 This postcode covers more than one locality. Which one are you after? Biddon New South Wales LGA: Gilgandra Bearbong New South Wales LGA: Gilgandra Breelong New South Wales LGA: Gilgandra Collie (NSW) New South Wales LGA: Warren Curban New South Wales LGA: Gilgandra Gilgandra New South Wales LGA: Gilgandra Merrigal New South Wales LGA: Warren