Home Postcode finder NSW Dundas Valley Dundas Valley postcode NSW Dundas Valley is a locality in New South Wales covered by postcode 2117. Postcode 2117 State or territory New South Wales (NSW) Region Parramatta Add a free Dundas Valley business listing More business listings in Dundas Valley Businesses in Dundas ValleyDundas Dental Surgery2 Alexander St · 298711110Dundas Dental Surgery2 Alexander St · 298711110Lauriston House146 Marsden Rd, Dundas Valley NSW 2117, Australia · (02) 9858 3335 Common questionsWhat is the postcode for Dundas Valley?Dundas Valley, NSW has the postcode 2117.What state is Dundas Valley in?Dundas Valley is in New South Wales (NSW).Does postcode 2117 cover more than one suburb?Yes. Postcode 2117 covers 4 localities, so the postcode alone does not identify Dundas Valley. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.