Home Postcode finder NSW One Mile One Mile postcode NSW One Mile is a locality in New South Wales covered by postcode 2316. Postcode 2316 State or territory New South Wales (NSW) Region Hunter Add a free One Mile business listing Be the first listing in One Mile Common questionsWhat is the postcode for One Mile?One Mile, NSW has the postcode 2316.What state is One Mile in?One Mile is in New South Wales (NSW).Does postcode 2316 cover more than one suburb?Yes. Postcode 2316 covers 6 localities, so the postcode alone does not identify One Mile. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.