Home Postcode finder NSW Hoskinstown Hoskinstown postcode NSW Hoskinstown is a locality in New South Wales covered by postcode 2621. Postcode 2621 State or territory New South Wales (NSW) Region Canberra Add a free Hoskinstown business listing Be the first listing in Hoskinstown Common questionsWhat is the postcode for Hoskinstown?Hoskinstown, NSW has the postcode 2621.What state is Hoskinstown in?Hoskinstown is in New South Wales (NSW).Does postcode 2621 cover more than one suburb?Yes. Postcode 2621 covers 7 localities, so the postcode alone does not identify Hoskinstown. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.