Home Postcode finder SA Mundoora Mundoora postcode SA Mundoora is a locality in South Australia covered by postcode 5555. Postcode 5555 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Mundoora business listing Be the first listing in Mundoora Common questionsWhat is the postcode for Mundoora?Mundoora, SA has the postcode 5555.What state is Mundoora in?Mundoora is in South Australia (SA).Does postcode 5555 cover more than one suburb?Yes. Postcode 5555 covers 11 localities, so the postcode alone does not identify Mundoora. Browse other postcodes in South Australia, or widen the search to every Australian postcode.