Home Postcode finder NSW Myall Park Myall Park postcode NSW Myall Park is a locality in New South Wales covered by postcode 2681. Postcode 2681 State or territory New South Wales (NSW) Region Canberra Add a free Myall Park business listing Be the first listing in Myall Park Common questionsWhat is the postcode for Myall Park?Myall Park, NSW has the postcode 2681.What state is Myall Park in?Myall Park is in New South Wales (NSW).Does postcode 2681 cover more than one suburb?Yes. Postcode 2681 covers 2 localities, so the postcode alone does not identify Myall Park. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.