Home Postcode finder SA Wasleys Wasleys postcode SA Wasleys is a locality in South Australia covered by postcode 5400. Postcode 5400 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Wasleys business listing More business listings in Wasleys Businesses in WasleysWasleys Primary SchoolAnnie Terrace · 08 85254073 Common questionsWhat is the postcode for Wasleys?Wasleys, SA has the postcode 5400.What state is Wasleys in?Wasleys is in South Australia (SA).Does postcode 5400 cover more than one suburb?Yes. Postcode 5400 covers 4 localities, so the postcode alone does not identify Wasleys. Browse other postcodes in South Australia, or widen the search to every Australian postcode.