Home Postcode finder SA Mudamuckla Mudamuckla postcode SA Mudamuckla is a locality in South Australia covered by postcode 5680. Postcode 5680 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Mudamuckla business listing Be the first listing in Mudamuckla Common questionsWhat is the postcode for Mudamuckla?Mudamuckla, SA has the postcode 5680.What state is Mudamuckla in?Mudamuckla is in South Australia (SA).Does postcode 5680 cover more than one suburb?Yes. Postcode 5680 covers 20 localities, so the postcode alone does not identify Mudamuckla. Browse other postcodes in South Australia, or widen the search to every Australian postcode.