Home Postcode finder NSWDL Armatree Armatree postcode NSWDL Armatree is a locality in New South Wales covered by postcode 2831. Postcode 2831 State or territory New South Wales (NSWDL) Region NSW Country West Add a free Armatree business listing Be the first listing in Armatree Common questionsWhat is the postcode for Armatree?Armatree, NSWDL has the postcode 2831.What state is Armatree in?Armatree is in New South Wales (NSWDL).Does postcode 2831 cover more than one suburb?Yes. Postcode 2831 covers 23 localities, so the postcode alone does not identify Armatree. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.