Home Postcode finder NSW Lithgow Lithgow postcode NSW Lithgow 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 Lithgow business listing More business listings in Lithgow Businesses in LithgowAll Done Admin40 Calero Street, Lithgow NSW, Australia · 0402340486Cooerwull Public School319 Main St · 02 63513106D & D Baxter990 Great Western Hwy · 0419879198 Common questionsWhat is the postcode for Lithgow?Lithgow, NSW has the postcode 2790.What state is Lithgow in?Lithgow 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 Lithgow. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.