Home Postcode finder NSW Old Bar Old Bar postcode NSW Old Bar is a locality in New South Wales covered by postcode 2430. Postcode 2430 State or territory New South Wales (NSW) Region Hunter Add a free Old Bar business listing More business listings in Old Bar Businesses in Old BarOld Bar Public School22 David St · 02 65537248Shoreline Painting105 Metz Rd, Old Bar New South Wales 2430, Australia · 0468866859 Common questionsWhat is the postcode for Old Bar?Old Bar, NSW has the postcode 2430.What state is Old Bar in?Old Bar is in New South Wales (NSW).Does postcode 2430 cover more than one suburb?Yes. Postcode 2430 covers 39 localities, so the postcode alone does not identify Old Bar. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.