Home Postcode finder NSW Warren Warren postcode NSW Warren is a locality in New South Wales covered by postcode 2824. Postcode 2824 State or territory New South Wales (NSW) Region NSW Country West Add a free Warren business listing More business listings in Warren Businesses in WarrenSt Mary's SchoolLawson St · 02 68474488Warren Central School63 Chester St · 02 68474438 Common questionsWhat is the postcode for Warren?Warren, NSW has the postcode 2824.What state is Warren in?Warren is in New South Wales (NSW).Does postcode 2824 cover more than one suburb?Yes. Postcode 2824 covers 15 localities, so the postcode alone does not identify Warren. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.