Home Postcode finder NSW Paterson Paterson postcode NSW Paterson is a locality in New South Wales covered by postcode 2421. Postcode 2421 State or territory New South Wales (NSW) Region Hunter Add a free Paterson business listing More business listings in Paterson Businesses in PatersonPaterson Medical Practice16 King St, Paterson NSW 2421, Australia · +61 2 4938 5527Paterson Public SchoolWebbers Creek Rd · 02 49385114Stockers & Partridge38 Maitland Road · 02 4938 5154 or 02 4 Common questionsWhat is the postcode for Paterson?Paterson, NSW has the postcode 2421.What state is Paterson in?Paterson is in New South Wales (NSW).Does postcode 2421 cover more than one suburb?Yes. Postcode 2421 covers 7 localities, so the postcode alone does not identify Paterson. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.