Home Postcode finder SA Glencoe West Glencoe West postcode SA Glencoe West is a locality in South Australia covered by postcode 5291. Postcode 5291 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Glencoe West business listing Be the first listing in Glencoe West Common questionsWhat is the postcode for Glencoe West?Glencoe West, SA has the postcode 5291.What state is Glencoe West in?Glencoe West is in South Australia (SA).Does postcode 5291 cover more than one suburb?Yes. Postcode 5291 covers 34 localities, so the postcode alone does not identify Glencoe West. Browse other postcodes in South Australia, or widen the search to every Australian postcode.