Home Postcode finder NSW Blairmount Blairmount postcode NSW Blairmount is a locality in New South Wales covered by postcode 2559. Postcode 2559 State or territory New South Wales (NSW) Region Ingleburn Add a free Blairmount business listing More business listings in Blairmount Businesses in BlairmountBlairmount Public SchoolBagally Rd · 02 46261795 Common questionsWhat is the postcode for Blairmount?Blairmount, NSW has the postcode 2559.What state is Blairmount in?Blairmount is in New South Wales (NSW).Does postcode 2559 cover more than one suburb?Yes. Postcode 2559 covers 2 localities, so the postcode alone does not identify Blairmount. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.