Home Postcode finder WA Piara Waters Piara Waters postcode WA Piara Waters is a locality in Western Australia covered by postcode 6112. Postcode 6112 State or territory Western Australia (WA) Region North West Suburbs Add a free Piara Waters business listing More business listings in Piara Waters Businesses in Piara WatersOptimus Facility Services2 Lancaster Loop, Piara Waters WA 6112, Australia · +61 449 593 353The Drain Surgeon Plumbing & GasPiara Drive, Piara Waters WA 6112, Australia · 437000257Tiara Consultants32 Jolley Ave Piara Waters WA 6112 · 0400451493 Common questionsWhat is the postcode for Piara Waters?Piara Waters, WA has the postcode 6112.What state is Piara Waters in?Piara Waters is in Western Australia (WA).Does postcode 6112 cover more than one suburb?Yes. Postcode 6112 covers 12 localities, so the postcode alone does not identify Piara Waters. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.