Home Postcode finder NSW Mount Druitt Mount Druitt postcode NSW Mount Druitt is a locality in New South Wales covered by postcode 2770. Postcode 2770 State or territory New South Wales (NSW) Region Nepean Add a free Mount Druitt business listing More business listings in Mount Druitt Businesses in Mount DruittAAA Traffic Control Pty Ltd10 Coventry Place, Mount Druitt NSW, Australia · +61 2 9675 7731Alpha Omega ComputersDERWENT STREET CORNER OF BYRON STREET · 0401 457 520AMA Construction NSW29 Debbie Cct, Mount Druitt NSW 2770, Australia · 0412 228 545 Common questionsWhat is the postcode for Mount Druitt?Mount Druitt, NSW has the postcode 2770.What state is Mount Druitt in?Mount Druitt is in New South Wales (NSW).Does postcode 2770 cover more than one suburb?Yes. Postcode 2770 covers 13 localities, so the postcode alone does not identify Mount Druitt. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.