Home Postcode finder SA Moyhall Moyhall postcode SA Moyhall is a locality in South Australia covered by postcode 5271. Postcode 5271 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Moyhall business listing Be the first listing in Moyhall Common questionsWhat is the postcode for Moyhall?Moyhall, SA has the postcode 5271.What state is Moyhall in?Moyhall is in South Australia (SA).Does postcode 5271 cover more than one suburb?Yes. Postcode 5271 covers 18 localities, so the postcode alone does not identify Moyhall. Browse other postcodes in South Australia, or widen the search to every Australian postcode.