Home Postcode finder WA Wannanup Wannanup postcode WA Wannanup is a locality in Western Australia covered by postcode 6210. Postcode 6210 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Wannanup business listing More business listings in Wannanup Businesses in WannanupPretty Little Designs - Pantry Labels20 Royal Crst · 08 95342758Westcoast Landscape & DesignErskine · 0408568373 Common questionsWhat is the postcode for Wannanup?Wannanup, WA has the postcode 6210.What state is Wannanup in?Wannanup is in Western Australia (WA).Does postcode 6210 cover more than one suburb?Yes. Postcode 6210 covers 14 localities, so the postcode alone does not identify Wannanup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.