Home Postcode finder NSW Lenaghan Lenaghan postcode NSW Lenaghan is a locality in New South Wales covered by postcode 2322. Postcode 2322 State or territory New South Wales (NSW) Region Hunter Add a free Lenaghan business listing Be the first listing in Lenaghan Common questionsWhat is the postcode for Lenaghan?Lenaghan, NSW has the postcode 2322.What state is Lenaghan in?Lenaghan is in New South Wales (NSW).Does postcode 2322 cover more than one suburb?Yes. Postcode 2322 covers 10 localities, so the postcode alone does not identify Lenaghan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.