Home Postcode finder NSW Rowan Rowan postcode NSW Rowan is a locality in New South Wales covered by postcode 2650. Postcode 2650 State or territory New South Wales (NSW) Region Canberra Add a free Rowan business listing Be the first listing in Rowan Common questionsWhat is the postcode for Rowan?Rowan, NSW has the postcode 2650.What state is Rowan in?Rowan is in New South Wales (NSW).Does postcode 2650 cover more than one suburb?Yes. Postcode 2650 covers 52 localities, so the postcode alone does not identify Rowan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.