Home Postcode finder NSW Robertson Robertson postcode NSW Robertson is a locality in New South Wales covered by postcode 2577. Postcode 2577 State or territory New South Wales (NSW) Region Ingleburn Add a free Robertson business listing More business listings in Robertson Businesses in RobertsonRobertson Public SchoolHoddle St · 02 48851284 Common questionsWhat is the postcode for Robertson?Robertson, NSW has the postcode 2577.What state is Robertson in?Robertson is in New South Wales (NSW).Does postcode 2577 cover more than one suburb?Yes. Postcode 2577 covers 30 localities, so the postcode alone does not identify Robertson. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.