Home Postcode finder WA Babakin Babakin postcode WA Babakin is a locality in Western Australia covered by postcode 6428. Postcode 6428 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Babakin business listing More business listings in Babakin Businesses in BabakinBabakin Primary School7 Farrer Street · 08 90652023 Common questionsWhat is the postcode for Babakin?Babakin, WA has the postcode 6428.What state is Babakin in?Babakin is in Western Australia (WA).Does postcode 6428 cover more than one suburb?No. Postcode 6428 covers Babakin only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.