Home Postcode finder SA Mundulla West Mundulla West postcode SA Mundulla West is a locality in South Australia covered by postcode 5270. Postcode 5270 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Mundulla West business listing Be the first listing in Mundulla West Common questionsWhat is the postcode for Mundulla West?Mundulla West, SA has the postcode 5270.What state is Mundulla West in?Mundulla West is in South Australia (SA).Does postcode 5270 cover more than one suburb?Yes. Postcode 5270 covers 6 localities, so the postcode alone does not identify Mundulla West. Browse other postcodes in South Australia, or widen the search to every Australian postcode.