Home Postcode finder NSW Clarendon Clarendon postcode NSW Clarendon is a locality in New South Wales covered by postcode 2756. Postcode 2756 State or territory New South Wales (NSW) Region Nepean Add a free Clarendon business listing Be the first listing in Clarendon Common questionsWhat is the postcode for Clarendon?Clarendon, NSW has the postcode 2756.What state is Clarendon in?Clarendon is in New South Wales (NSW).Does postcode 2756 cover more than one suburb?Yes. Postcode 2756 covers 28 localities, so the postcode alone does not identify Clarendon. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.