Home Postcode finder NSW Mount Saint Thomas Mount Saint Thomas postcode NSW Mount Saint Thomas is a locality in New South Wales covered by postcode 2500. Postcode 2500 State or territory New South Wales (NSW) Region Illawarra Add a free Mount Saint Thomas business listing More business listings in Mount Saint Thomas Businesses in Mount Saint ThomasLatz Business Coaching292 Gladstone Ave, Mount Saint Thomas New South Wales 2500, Australia · 02 4225 8372 Common questionsWhat is the postcode for Mount Saint Thomas?Mount Saint Thomas, NSW has the postcode 2500.What state is Mount Saint Thomas in?Mount Saint Thomas is in New South Wales (NSW).Does postcode 2500 cover more than one suburb?Yes. Postcode 2500 covers 11 localities, so the postcode alone does not identify Mount Saint Thomas. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.