Home Postcode finder NSW Clifton Grove Clifton Grove postcode NSW Clifton Grove is a locality in New South Wales covered by postcode 2800. Postcode 2800 State or territory New South Wales (NSW) Region NSW Country West Add a free Clifton Grove business listing Be the first listing in Clifton Grove Common questionsWhat is the postcode for Clifton Grove?Clifton Grove, NSW has the postcode 2800.What state is Clifton Grove in?Clifton Grove is in New South Wales (NSW).Does postcode 2800 cover more than one suburb?Yes. Postcode 2800 covers 33 localities, so the postcode alone does not identify Clifton Grove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.