Home Postcode finder NSW Merriwagga Merriwagga postcode NSW Merriwagga is a locality in New South Wales covered by postcode 2652. Postcode 2652 State or territory New South Wales (NSW) Region Canberra Add a free Merriwagga business listing Be the first listing in Merriwagga Common questionsWhat is the postcode for Merriwagga?Merriwagga, NSW has the postcode 2652.What state is Merriwagga in?Merriwagga is in New South Wales (NSW).Does postcode 2652 cover more than one suburb?Yes. Postcode 2652 covers 19 localities, so the postcode alone does not identify Merriwagga. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.