Home Postcode finder NSW Wickham Wickham postcode NSW Wickham is a locality in New South Wales covered by postcode 2293. Postcode 2293 State or territory New South Wales (NSW) Region Hunter Add a free Wickham business listing More business listings in Wickham Businesses in WickhamGeosurv Pty LtdGround Floor · 1300 554 675KlostersCnr Railway and Albert Streets · 02 4922 0550KU Wickham Preschool18a Albert Street · 02 4961 3304 Common questionsWhat is the postcode for Wickham?Wickham, NSW has the postcode 2293.What state is Wickham in?Wickham is in New South Wales (NSW).Does postcode 2293 cover more than one suburb?Yes. Postcode 2293 covers 2 localities, so the postcode alone does not identify Wickham. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.