Home Postcode finder NSW Peak Hill Peak Hill postcode NSW Peak Hill is a locality in New South Wales covered by postcode 2869. Postcode 2869 State or territory New South Wales (NSW) Region NSW Country West Add a free Peak Hill business listing More business listings in Peak Hill Businesses in Peak HillPeak Hill Central SchoolBogan St · 02 68691304St Joseph's School165 Caswell St · 02 68691452 Common questionsWhat is the postcode for Peak Hill?Peak Hill, NSW has the postcode 2869.What state is Peak Hill in?Peak Hill is in New South Wales (NSW).Does postcode 2869 cover more than one suburb?Yes. Postcode 2869 covers 3 localities, so the postcode alone does not identify Peak Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.