Home Postcode finder WA South Plantations South Plantations postcode WA South Plantations is a locality in Western Australia covered by postcode 6701. Postcode 6701 State or territory Western Australia (WA) Region North West Suburbs Add a free South Plantations business listing Be the first listing in South Plantations Common questionsWhat is the postcode for South Plantations?South Plantations, WA has the postcode 6701.What state is South Plantations in?South Plantations is in Western Australia (WA).Does postcode 6701 cover more than one suburb?Yes. Postcode 6701 covers 28 localities, so the postcode alone does not identify South Plantations. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.