Home Postcode finder WA Holyoake Holyoake postcode WA Holyoake is a locality in Western Australia covered by postcode 6213. Postcode 6213 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Holyoake business listing Be the first listing in Holyoake Common questionsWhat is the postcode for Holyoake?Holyoake, WA has the postcode 6213.What state is Holyoake in?Holyoake is in Western Australia (WA).Does postcode 6213 cover more than one suburb?Yes. Postcode 6213 covers 7 localities, so the postcode alone does not identify Holyoake. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.