Home Postcode finder NSW Great Marlow Great Marlow postcode NSW Great Marlow is a locality in New South Wales covered by postcode 2460. Postcode 2460 State or territory New South Wales (NSW) Region NSW North Coast Add a free Great Marlow business listing Be the first listing in Great Marlow Common questionsWhat is the postcode for Great Marlow?Great Marlow, NSW has the postcode 2460.What state is Great Marlow in?Great Marlow is in New South Wales (NSW).Does postcode 2460 cover more than one suburb?Yes. Postcode 2460 covers 91 localities, so the postcode alone does not identify Great Marlow. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.