Home Postcode finder NSW Niangala Niangala postcode NSW Niangala is a locality in New South Wales covered by postcode 2354. Postcode 2354 State or territory New South Wales (NSW) Region NSW North Coast Add a free Niangala business listing More business listings in Niangala Businesses in NiangalaNiangala Public SchoolFoster St · 02 67692254 Common questionsWhat is the postcode for Niangala?Niangala, NSW has the postcode 2354.What state is Niangala in?Niangala is in New South Wales (NSW).Does postcode 2354 cover more than one suburb?Yes. Postcode 2354 covers 9 localities, so the postcode alone does not identify Niangala. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.