Home Postcode finder NSW Hamlyn Terrace Hamlyn Terrace postcode NSW Hamlyn Terrace is a locality in New South Wales covered by postcode 2259. Postcode 2259 State or territory New South Wales (NSW) Region Gosford Add a free Hamlyn Terrace business listing More business listings in Hamlyn Terrace Businesses in Hamlyn TerraceO'Neill Plumbing Solutions Pty Ltd7 Karri Cl, Hamlyn Terrace NSW 2259, Australia · 0431682590Warnervale Public School179-201 Warnervale Rd · 02 43921358 Common questionsWhat is the postcode for Hamlyn Terrace?Hamlyn Terrace, NSW has the postcode 2259.What state is Hamlyn Terrace in?Hamlyn Terrace is in New South Wales (NSW).Does postcode 2259 cover more than one suburb?Yes. Postcode 2259 covers 42 localities, so the postcode alone does not identify Hamlyn Terrace. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.