Home Postcode finder NSW Cooks Hill Cooks Hill postcode NSW Cooks Hill is a locality in New South Wales covered by postcode 2300. Postcode 2300 State or territory New South Wales (NSW) Region Hunter Add a free Cooks Hill business listing More business listings in Cooks Hill Businesses in Cooks HillALESCO Learning CentreLaman St · 02 49254200Body Contouring Surgery Clinic235 Darby Street, Cooks Hill New South Wales 2300, Australia · +61 1300 588 494Breast Augmentation Australiasuite 3/235 Darby Street, Cooks Hill NSW, Australia · +61 3 7018 1802 Common questionsWhat is the postcode for Cooks Hill?Cooks Hill, NSW has the postcode 2300.What state is Cooks Hill in?Cooks Hill is in New South Wales (NSW).Does postcode 2300 cover more than one suburb?Yes. Postcode 2300 covers 5 localities, so the postcode alone does not identify Cooks Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.