Home Postcode finder NSW Monga Monga postcode NSW Monga is a locality in New South Wales covered by postcode 2622. Postcode 2622 State or territory New South Wales (NSW) Region Canberra Add a free Monga business listing Be the first listing in Monga Common questionsWhat is the postcode for Monga?Monga, NSW has the postcode 2622.What state is Monga in?Monga is in New South Wales (NSW).Does postcode 2622 cover more than one suburb?Yes. Postcode 2622 covers 50 localities, so the postcode alone does not identify Monga. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.