Home Postcode finder SA Gumeracha Gumeracha postcode SA Gumeracha is a locality in South Australia covered by postcode 5233. Postcode 5233 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Gumeracha business listing More business listings in Gumeracha Businesses in GumerachaGumeracha Primary School1 Albert St · 08 83891183 Common questionsWhat is the postcode for Gumeracha?Gumeracha, SA has the postcode 5233.What state is Gumeracha in?Gumeracha is in South Australia (SA).Does postcode 5233 cover more than one suburb?Yes. Postcode 5233 covers 3 localities, so the postcode alone does not identify Gumeracha. Browse other postcodes in South Australia, or widen the search to every Australian postcode.