Home Postcode finder NSW Rathmines Rathmines postcode NSW Rathmines is a locality in New South Wales covered by postcode 2283. Postcode 2283 State or territory New South Wales (NSW) Region Hunter Add a free Rathmines business listing More business listings in Rathmines Businesses in RathminesRathmines Public School20 Secret Corner Rd · 02 49751229 Common questionsWhat is the postcode for Rathmines?Rathmines, NSW has the postcode 2283.What state is Rathmines in?Rathmines is in New South Wales (NSW).Does postcode 2283 cover more than one suburb?Yes. Postcode 2283 covers 15 localities, so the postcode alone does not identify Rathmines. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.