Home Postcode finder NSW Olinda Olinda postcode NSW Olinda is a locality in New South Wales covered by postcode 2849. Postcode 2849 State or territory New South Wales (NSW) Region NSW Country West Add a free Olinda business listing Be the first listing in Olinda Common questionsWhat is the postcode for Olinda?Olinda, NSW has the postcode 2849.What state is Olinda in?Olinda is in New South Wales (NSW).Does postcode 2849 cover more than one suburb?Yes. Postcode 2849 covers 29 localities, so the postcode alone does not identify Olinda. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.