Home Postcode finder SA Mccallum Mccallum postcode SA Mccallum is a locality in South Australia covered by postcode 5267. Postcode 5267 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Mccallum business listing Be the first listing in Mccallum Common questionsWhat is the postcode for Mccallum?Mccallum, SA has the postcode 5267.What state is Mccallum in?Mccallum is in South Australia (SA).Does postcode 5267 cover more than one suburb?Yes. Postcode 5267 covers 12 localities, so the postcode alone does not identify Mccallum. Browse other postcodes in South Australia, or widen the search to every Australian postcode.