Home Postcode finder NSW West Armidale West Armidale postcode NSW West Armidale is a locality in New South Wales covered by postcode 2350. Postcode 2350 State or territory New South Wales (NSW) Region NSW North Coast Add a free West Armidale business listing Be the first listing in West Armidale Common questionsWhat is the postcode for West Armidale?West Armidale, NSW has the postcode 2350.What state is West Armidale in?West Armidale is in New South Wales (NSW).Does postcode 2350 cover more than one suburb?Yes. Postcode 2350 covers 25 localities, so the postcode alone does not identify West Armidale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.