Home Postcode finder NSW Hay Hay postcode NSW Hay is a locality in New South Wales covered by postcode 2711. Postcode 2711 State or territory New South Wales (NSW) Region Canberra Add a free Hay business listing More business listings in Hay Businesses in HayHay Public School201-217 Lachlan St · 02 69931270Hay War Memorial High School216 Pine St · 02 69931408Local Dental Carrathool Shire91A Lachlan St · (02) 6993 3372 Common questionsWhat is the postcode for Hay?Hay, NSW has the postcode 2711.What state is Hay in?Hay is in New South Wales (NSW).Does postcode 2711 cover more than one suburb?Yes. Postcode 2711 covers 13 localities, so the postcode alone does not identify Hay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.