Home Postcode finder NSWDL Allworth Allworth postcode NSWDL Allworth is a locality in New South Wales covered by postcode 2425. Postcode 2425 State or territory New South Wales (NSWDL) Region Hunter Add a free Allworth business listing Be the first listing in Allworth Common questionsWhat is the postcode for Allworth?Allworth, NSWDL has the postcode 2425.What state is Allworth in?Allworth is in New South Wales (NSWDL).Does postcode 2425 cover more than one suburb?Yes. Postcode 2425 covers 6 localities, so the postcode alone does not identify Allworth. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.