Home Postcode finder SA Lyrup Lyrup postcode SA Lyrup is a locality in South Australia covered by postcode 5343. Postcode 5343 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Lyrup business listing More business listings in Lyrup Businesses in LyrupLyrup Primary SchoolGovernment Rd · 08 85838271 Common questionsWhat is the postcode for Lyrup?Lyrup, SA has the postcode 5343.What state is Lyrup in?Lyrup is in South Australia (SA).Does postcode 5343 cover more than one suburb?Yes. Postcode 5343 covers 6 localities, so the postcode alone does not identify Lyrup. Browse other postcodes in South Australia, or widen the search to every Australian postcode.