Home Postcode finder WA Chidlow Chidlow postcode WA Chidlow is a locality in Western Australia covered by postcode 6556. Postcode 6556 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Chidlow business listing More business listings in Chidlow Businesses in ChidlowChidlow Primary School450 Lilydale Rd · 08 95724132 Common questionsWhat is the postcode for Chidlow?Chidlow, WA has the postcode 6556.What state is Chidlow in?Chidlow is in Western Australia (WA).Does postcode 6556 cover more than one suburb?Yes. Postcode 6556 covers 5 localities, so the postcode alone does not identify Chidlow. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.