Home Postcode finder NSWDL Stony Creek Stony Creek postcode NSWDL Stony Creek is a locality in New South Wales covered by postcode 2550. Postcode 2550 State or territory New South Wales (NSWDL) Region NSW Country West Add a free Stony Creek business listing Be the first listing in Stony Creek Common questionsWhat is the postcode for Stony Creek?Stony Creek, NSWDL has the postcode 2550.What state is Stony Creek in?Stony Creek is in New South Wales (NSWDL).Does postcode 2550 cover more than one suburb?Yes. Postcode 2550 covers 52 localities, so the postcode alone does not identify Stony Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.