Home Postcode finder NSW Maitland Bar Maitland Bar postcode NSW Maitland Bar is a locality in New South Wales covered by postcode 2850. Postcode 2850 State or territory New South Wales (NSW) Region NSW Country West Add a free Maitland Bar business listing Be the first listing in Maitland Bar Common questionsWhat is the postcode for Maitland Bar?Maitland Bar, NSW has the postcode 2850.What state is Maitland Bar in?Maitland Bar is in New South Wales (NSW).Does postcode 2850 cover more than one suburb?Yes. Postcode 2850 covers 77 localities, so the postcode alone does not identify Maitland Bar. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.