Home Postcode finder NSW Glenhaven Glenhaven postcode NSW Glenhaven is a locality in New South Wales covered by postcode 2156. Postcode 2156 State or territory New South Wales (NSW) Region Seven Hills Add a free Glenhaven business listing More business listings in Glenhaven Businesses in GlenhavenArnold Stevens FinlayLvl 6 410 Church street · 98902555Chrysalis Health and Wellbeing422a Old Northern Rd, Glenhaven NSW, Australia · 0434 515 463Decking PlusGlenhaven · 412533776 Common questionsWhat is the postcode for Glenhaven?Glenhaven, NSW has the postcode 2156.What state is Glenhaven in?Glenhaven is in New South Wales (NSW).Does postcode 2156 cover more than one suburb?Yes. Postcode 2156 covers 3 localities, so the postcode alone does not identify Glenhaven. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.