Home Postcode finder NSW Marsfield Marsfield postcode NSW Marsfield is a locality in New South Wales covered by postcode 2122. Postcode 2122 State or territory New South Wales (NSW) Region Pymble Add a free Marsfield business listing More business listings in Marsfield Businesses in MarsfieldBuilding Harmony34 Lucinda Road, Marsfield NSW, Australia · +61 405195959Epping Boys High School213 Vimiera Rd · 02 98692701Imaginations Pre-School33 Agincourt Rd · 0298770562 Common questionsWhat is the postcode for Marsfield?Marsfield, NSW has the postcode 2122.What state is Marsfield in?Marsfield is in New South Wales (NSW).Does postcode 2122 cover more than one suburb?Yes. Postcode 2122 covers 2 localities, so the postcode alone does not identify Marsfield. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.