Home Postcode finder WA Useless Loop Useless Loop postcode WA Useless Loop is a locality in Western Australia covered by postcode 6537. Postcode 6537 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Useless Loop business listing More business listings in Useless Loop Businesses in Useless LoopUseless Loop Primary School51 Wilsons Way · 08 99481292 Common questionsWhat is the postcode for Useless Loop?Useless Loop, WA has the postcode 6537.What state is Useless Loop in?Useless Loop is in Western Australia (WA).Does postcode 6537 cover more than one suburb?Yes. Postcode 6537 covers 7 localities, so the postcode alone does not identify Useless Loop. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.