Home Postcode finder NSW Doctors Gap Doctors Gap postcode NSW Doctors Gap is a locality in New South Wales covered by postcode 2790. Postcode 2790 State or territory New South Wales (NSW) Region NSW Country West Add a free Doctors Gap business listing Be the first listing in Doctors Gap Common questionsWhat is the postcode for Doctors Gap?Doctors Gap, NSW has the postcode 2790.What state is Doctors Gap in?Doctors Gap is in New South Wales (NSW).Does postcode 2790 cover more than one suburb?Yes. Postcode 2790 covers 40 localities, so the postcode alone does not identify Doctors Gap. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.