Home Postcode finder SA Port Pirie Port Pirie postcode SA Port Pirie 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 Port Pirie business listing More business listings in Port Pirie Businesses in Port PirieJohn Pirie Secondary School40 Mary Elie St · 08 86321763Mid North Christian School43 Port Davis Rd · 08 86324240Mid North Education Centre56 David St · 08 86321091 Common questionsWhat is the postcode for Port Pirie?Port Pirie, SA has the postcode 5540.What state is Port Pirie in?Port Pirie 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 Port Pirie. Browse other postcodes in South Australia, or widen the search to every Australian postcode.