Home Postcode finder NSW Gwynneville Gwynneville postcode NSW Gwynneville is a locality in New South Wales covered by postcode 2500. Postcode 2500 State or territory New South Wales (NSW) Region Illawarra Add a free Gwynneville business listing More business listings in Gwynneville Businesses in GwynnevilleGwynneville Public School10 Acacia Ave · 02 42295728Illawarra five stars Solutions24 Eastern St, Gwynneville NSW 2500, Australia · 0450198326KU Gwynneville Preschool22 Berkeley St · 02 4229 9917 Common questionsWhat is the postcode for Gwynneville?Gwynneville, NSW has the postcode 2500.What state is Gwynneville in?Gwynneville is in New South Wales (NSW).Does postcode 2500 cover more than one suburb?Yes. Postcode 2500 covers 11 localities, so the postcode alone does not identify Gwynneville. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.