Home Postcode finder WA Trigg Trigg postcode WA Trigg is a locality in Western Australia covered by postcode 6029. Postcode 6029 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Trigg business listing More business listings in Trigg Businesses in TriggDent Repair Perth39 Turnbull Way · (08) 7444 4855Fragile Removals & Storage Trigg · 1300 857 696 Fragile Removals & Storage6B Park St · 1300 857 696 Common questionsWhat is the postcode for Trigg?Trigg, WA has the postcode 6029.What state is Trigg in?Trigg is in Western Australia (WA).Does postcode 6029 cover more than one suburb?No. Postcode 6029 covers Trigg only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.