Home Postcode finder NSW Blackville Blackville postcode NSW Blackville is a locality in New South Wales covered by postcode 2343. Postcode 2343 State or territory New South Wales (NSW) Region NSW North Coast Add a free Blackville business listing More business listings in Blackville Businesses in BlackvilleBlackville Public SchoolO'Neill St · 02 67474024 Common questionsWhat is the postcode for Blackville?Blackville, NSW has the postcode 2343.What state is Blackville in?Blackville is in New South Wales (NSW).Does postcode 2343 cover more than one suburb?Yes. Postcode 2343 covers 15 localities, so the postcode alone does not identify Blackville. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.