Home Postcode finder NSW Gunning Gap Gunning Gap postcode NSW Gunning Gap is a locality in New South Wales covered by postcode 2871. Postcode 2871 State or territory New South Wales (NSW) Region NSW Country West Add a free Gunning Gap business listing Be the first listing in Gunning Gap Common questionsWhat is the postcode for Gunning Gap?Gunning Gap, NSW has the postcode 2871.What state is Gunning Gap in?Gunning Gap is in New South Wales (NSW).Does postcode 2871 cover more than one suburb?Yes. Postcode 2871 covers 20 localities, so the postcode alone does not identify Gunning Gap. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.