Home Postcode finder NSWDL Sylvania Waters Sylvania Waters postcode NSWDL Sylvania Waters is a locality in New South Wales covered by postcode 2224. Postcode 2224 State or territory New South Wales (NSWDL) Region Illawarra Add a free Sylvania Waters business listing More business listings in Sylvania Waters Businesses in Sylvania WatersAdvanced Bathroom Renovations8 Shoalhaven Road · 0412 276 517 Common questionsWhat is the postcode for Sylvania Waters?Sylvania Waters, NSWDL has the postcode 2224.What state is Sylvania Waters in?Sylvania Waters is in New South Wales (NSWDL).Does postcode 2224 cover more than one suburb?Yes. Postcode 2224 covers 4 localities, so the postcode alone does not identify Sylvania Waters. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.