Home Postcode finder SA South Plympton South Plympton postcode SA South Plympton is a locality in South Australia covered by postcode 5038. Postcode 5038 State or territory South Australia (SA) Region Adelaide Add a free South Plympton business listing More business listings in South Plympton Businesses in South PlymptonAsset Test and tag8 Brenton Ave, South Plympton SA, Australia · 1300135140Asset Test and Tags8 Brenton Avenue, South Plympton SA, Australia · 1300135140Cross Road Dental596 Cross Road, South Plympton South Australia 5038, Australia · +61 8 8293 3629 Common questionsWhat is the postcode for South Plympton?South Plympton, SA has the postcode 5038.What state is South Plympton in?South Plympton is in South Australia (SA).Does postcode 5038 cover more than one suburb?Yes. Postcode 5038 covers 4 localities, so the postcode alone does not identify South Plympton. Browse other postcodes in South Australia, or widen the search to every Australian postcode.