Home Postcode finder NSWDL Fishers Hill Fishers Hill postcode NSWDL Fishers Hill is a locality in New South Wales covered by postcode 2421. Postcode 2421 State or territory New South Wales (NSWDL) Region Hunter Add a free Fishers Hill business listing Be the first listing in Fishers Hill Common questionsWhat is the postcode for Fishers Hill?Fishers Hill, NSWDL has the postcode 2421.What state is Fishers Hill in?Fishers Hill is in New South Wales (NSWDL).Does postcode 2421 cover more than one suburb?Yes. Postcode 2421 covers 7 localities, so the postcode alone does not identify Fishers Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.