Home Postcode finder WA Henley Brook Henley Brook postcode WA Henley Brook 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 Henley Brook business listing More business listings in Henley Brook Businesses in Henley BrookSwan Limestone Pty Ltd742 Lord Street · 0419 905733Swan Limestone Pty Ltd - Retaining Walls Perth742 Lord Street · 0419 9 05733 Common questionsWhat is the postcode for Henley Brook?Henley Brook, WA has the postcode 6055.What state is Henley Brook in?Henley Brook 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 Henley Brook. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.