Home Postcode finder WA Upper Capel Upper Capel postcode WA Upper Capel is a locality in Western Australia covered by postcode 6239. Postcode 6239 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Upper Capel business listing Be the first listing in Upper Capel Common questionsWhat is the postcode for Upper Capel?Upper Capel, WA has the postcode 6239.What state is Upper Capel in?Upper Capel is in Western Australia (WA).Does postcode 6239 cover more than one suburb?Yes. Postcode 6239 covers 11 localities, so the postcode alone does not identify Upper Capel. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.