Home Postcode finder NSW Gowan Gowan postcode NSW Gowan is a locality in New South Wales covered by postcode 2795. Postcode 2795 State or territory New South Wales (NSW) Region NSW Country West Add a free Gowan business listing Be the first listing in Gowan Common questionsWhat is the postcode for Gowan?Gowan, NSW has the postcode 2795.What state is Gowan in?Gowan is in New South Wales (NSW).Does postcode 2795 cover more than one suburb?Yes. Postcode 2795 covers 96 localities, so the postcode alone does not identify Gowan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.