Home Postcode finder NSW Rockdale Rockdale postcode NSW Rockdale is a locality in New South Wales covered by postcode 2216. Postcode 2216 State or territory New South Wales (NSW) Region Burwood Add a free Rockdale business listing More business listings in Rockdale Businesses in RockdaleKyeemagh Infants SchoolBeehag St · 02 95675819Rockdale Public SchoolLord St · 02 95676146St Dominic Savio School19 William St · 02 95976956 Common questionsWhat is the postcode for Rockdale?Rockdale, NSW has the postcode 2216.What state is Rockdale in?Rockdale is in New South Wales (NSW).Does postcode 2216 cover more than one suburb?Yes. Postcode 2216 covers 4 localities, so the postcode alone does not identify Rockdale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.