Home Postcode finder NSW Hermidale Hermidale postcode NSW Hermidale is a locality in New South Wales covered by postcode 2831. Postcode 2831 State or territory New South Wales (NSW) Region NSW Country West Add a free Hermidale business listing More business listings in Hermidale Businesses in HermidaleHermidale Public SchoolMouramba St · 02 68330707 Common questionsWhat is the postcode for Hermidale?Hermidale, NSW has the postcode 2831.What state is Hermidale in?Hermidale is in New South Wales (NSW).Does postcode 2831 cover more than one suburb?Yes. Postcode 2831 covers 23 localities, so the postcode alone does not identify Hermidale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.