Home Postcode finder WA Caversham Caversham postcode WA Caversham is a locality in Western Australia covered by postcode 6055. Postcode 6055 State or territory Western Australia (WA) Region North West Suburbs Add a free Caversham business listing More business listings in Caversham Businesses in CavershamAc Repair Caversham Caversham Village Shopping center · 1300702286Om DecorCaversham Avenue, Caversham WA 6055, Australia · 0432567117 Common questionsWhat is the postcode for Caversham?Caversham, WA has the postcode 6055.What state is Caversham in?Caversham is in Western Australia (WA).Does postcode 6055 cover more than one suburb?Yes. Postcode 6055 covers 6 localities, so the postcode alone does not identify Caversham. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.