Home Postcode finder NSW Boco Boco postcode NSW Boco is a locality in New South Wales covered by postcode 2631. Postcode 2631 State or territory New South Wales (NSW) Region Canberra Add a free Boco business listing Be the first listing in Boco Common questionsWhat is the postcode for Boco?Boco, NSW has the postcode 2631.What state is Boco in?Boco is in New South Wales (NSW).Does postcode 2631 cover more than one suburb?Yes. Postcode 2631 covers 12 localities, so the postcode alone does not identify Boco. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.