Home Postcode finder WA Warnbro Warnbro postcode WA Warnbro is a locality in Western Australia covered by postcode 6169. Postcode 6169 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Warnbro business listing More business listings in Warnbro Businesses in WarnbroGo Green Artificial Lawns Warnbro · 39134013102 Koorana Education Support Centre109 Coronata Drive · 08 95934060Koorana Primary School109 Coronata Dr · 08 95934022 Common questionsWhat is the postcode for Warnbro?Warnbro, WA has the postcode 6169.What state is Warnbro in?Warnbro is in Western Australia (WA).Does postcode 6169 cover more than one suburb?Yes. Postcode 6169 covers 4 localities, so the postcode alone does not identify Warnbro. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.