Postcode 2328 This postcode covers more than one locality. Which one are you after? Bureen New South Wales LGA: Muswellbrook Dalswinton New South Wales LGA: Muswellbrook Denman New South Wales LGA: Muswellbrook Giants Creek New South Wales LGA: Muswellbrook Kerrabee New South Wales LGA: Muswellbrook Yarrawa New South Wales LGA: Muswellbrook