Home Postcode finder NSW Tewinga Tewinga postcode NSW Tewinga is a locality in New South Wales covered by postcode 2449. Postcode 2449 State or territory New South Wales (NSW) Region NSW North Coast Add a free Tewinga business listing Be the first listing in Tewinga Common questionsWhat is the postcode for Tewinga?Tewinga, NSW has the postcode 2449.What state is Tewinga in?Tewinga is in New South Wales (NSW).Does postcode 2449 cover more than one suburb?Yes. Postcode 2449 covers 9 localities, so the postcode alone does not identify Tewinga. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.