Home Postcode finder NSW Upper Horton Upper Horton postcode NSW Upper Horton is a locality in New South Wales covered by postcode 2347. Postcode 2347 State or territory New South Wales (NSW) Region NSW North Coast Add a free Upper Horton business listing Be the first listing in Upper Horton Common questionsWhat is the postcode for Upper Horton?Upper Horton, NSW has the postcode 2347.What state is Upper Horton in?Upper Horton is in New South Wales (NSW).Does postcode 2347 cover more than one suburb?Yes. Postcode 2347 covers 13 localities, so the postcode alone does not identify Upper Horton. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.