Home Postcode finder NSW Dulwich Hill Dulwich Hill postcode NSW Dulwich Hill is a locality in New South Wales covered by postcode 2203. Postcode 2203 State or territory New South Wales (NSW) Region Alexandria Add a free Dulwich Hill business listing More business listings in Dulwich Hill Businesses in Dulwich HillBar Valente CafeShop 2-471 Marrickville Road · (02) 9568 2249Dezina Kitchen And Bathroom Renovations44 Cobar St. · 0411693793Dulwich High School of Visual Arts and Design1-9 Seaview St · 02 95607299 Common questionsWhat is the postcode for Dulwich Hill?Dulwich Hill, NSW has the postcode 2203.What state is Dulwich Hill in?Dulwich Hill is in New South Wales (NSW).Does postcode 2203 cover more than one suburb?No. Postcode 2203 covers Dulwich Hill only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.