Home Postcode finder SA Pirie East Pirie East postcode SA Pirie East is a locality in South Australia covered by postcode 5540. Postcode 5540 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Pirie East business listing Be the first listing in Pirie East Common questionsWhat is the postcode for Pirie East?Pirie East, SA has the postcode 5540.What state is Pirie East in?Pirie East is in South Australia (SA).Does postcode 5540 cover more than one suburb?Yes. Postcode 5540 covers 14 localities, so the postcode alone does not identify Pirie East. Browse other postcodes in South Australia, or widen the search to every Australian postcode.