Home Postcode finder NSW Dharruk Dharruk postcode NSW Dharruk 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 Dharruk business listing More business listings in Dharruk Businesses in DharrukOZ KZ Gyprock Plaster Pty LtdDharruk NSW 2770, Australia · 0488024696 Common questionsWhat is the postcode for Dharruk?Dharruk, NSW has the postcode 2770.What state is Dharruk in?Dharruk 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 Dharruk. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.