Home Postcode finder WA Oombulgurri Oombulgurri postcode WA Oombulgurri is a locality in Western Australia covered by postcode 6740. Postcode 6740 State or territory Western Australia (WA) Region North West Suburbs Add a free Oombulgurri business listing More business listings in Oombulgurri Businesses in OombulgurriOombulgurri Remote Community School08 91614343 Common questionsWhat is the postcode for Oombulgurri?Oombulgurri, WA has the postcode 6740.What state is Oombulgurri in?Oombulgurri is in Western Australia (WA).Does postcode 6740 cover more than one suburb?Yes. Postcode 6740 covers 6 localities, so the postcode alone does not identify Oombulgurri. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.