Home Postcode finder NSW The Rock The Rock postcode NSW The Rock is a locality in New South Wales covered by postcode 2655. Postcode 2655 State or territory New South Wales (NSW) Region Canberra Add a free The Rock business listing More business listings in The Rock Businesses in The RockThe Rock Central School1 Ford St · 02 69202132 Common questionsWhat is the postcode for The Rock?The Rock, NSW has the postcode 2655.What state is The Rock in?The Rock is in New South Wales (NSW).Does postcode 2655 cover more than one suburb?Yes. Postcode 2655 covers 4 localities, so the postcode alone does not identify The Rock. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.