Home Postcode finder NSWDL Illawong Illawong postcode NSWDL Illawong is a locality in New South Wales covered by postcode 2234. Postcode 2234 State or territory New South Wales (NSWDL) Region Illawarra Add a free Illawong business listing More business listings in Illawong Businesses in IllawongGraphic Design BankstownFowler Rd · 02 9543 1895Graphic Design In SydneyFowler Rd · 02 9543 1895Illawong Public School276 Fowler Rd · 02 95431604 Common questionsWhat is the postcode for Illawong?Illawong, NSWDL has the postcode 2234.What state is Illawong in?Illawong is in New South Wales (NSWDL).Does postcode 2234 cover more than one suburb?Yes. Postcode 2234 covers 7 localities, so the postcode alone does not identify Illawong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.