Home Postcode finder SA Heathfield Heathfield postcode SA Heathfield is a locality in South Australia covered by postcode 5153. Postcode 5153 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Heathfield business listing More business listings in Heathfield Businesses in HeathfieldHeathfield High School99 Longwood Rd · 08 81399300Heathfield Primary School201 Longwood Rd · 08 83391924 Common questionsWhat is the postcode for Heathfield?Heathfield, SA has the postcode 5153.What state is Heathfield in?Heathfield is in South Australia (SA).Does postcode 5153 cover more than one suburb?Yes. Postcode 5153 covers 13 localities, so the postcode alone does not identify Heathfield. Browse other postcodes in South Australia, or widen the search to every Australian postcode.