Home Postcode finder NSW Mortdale Mortdale postcode NSW Mortdale is a locality in New South Wales covered by postcode 2223. Postcode 2223 State or territory New South Wales (NSW) Region Burwood Add a free Mortdale business listing More business listings in Mortdale Businesses in MortdaleBeaut Automotive Services65 Boundary Road · (02) 9579 3888Bounce Hair Studio60 Balmoral Rd · (02) 9585 1963Bounce Hair Studio60 Balmoral Rd · (02) 9585 1963 Common questionsWhat is the postcode for Mortdale?Mortdale, NSW has the postcode 2223.What state is Mortdale in?Mortdale is in New South Wales (NSW).Does postcode 2223 cover more than one suburb?Yes. Postcode 2223 covers 2 localities, so the postcode alone does not identify Mortdale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.