Home Postcode finder NSW Trewilga Trewilga postcode NSW Trewilga is a locality in New South Wales covered by postcode 2869. Postcode 2869 State or territory New South Wales (NSW) Region NSW Country West Add a free Trewilga business listing Be the first listing in Trewilga Common questionsWhat is the postcode for Trewilga?Trewilga, NSW has the postcode 2869.What state is Trewilga in?Trewilga is in New South Wales (NSW).Does postcode 2869 cover more than one suburb?Yes. Postcode 2869 covers 3 localities, so the postcode alone does not identify Trewilga. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.