Home Postcode finder NSW Morpeth Morpeth postcode NSW Morpeth is a locality in New South Wales covered by postcode 2321. Postcode 2321 State or territory New South Wales (NSW) Region Hunter Add a free Morpeth business listing More business listings in Morpeth Businesses in MorpethKU Maitland Mobile Preschool - MorpethSchool of Arts Hall High Street · 02 4933 8777 Morpeth Public School46 High St · 02 49336726 Common questionsWhat is the postcode for Morpeth?Morpeth, NSW has the postcode 2321.What state is Morpeth in?Morpeth is in New South Wales (NSW).Does postcode 2321 cover more than one suburb?Yes. Postcode 2321 covers 20 localities, so the postcode alone does not identify Morpeth. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.