Home Postcode finder WA East Perth East Perth postcode WA East Perth is a locality in Western Australia covered by postcode 6004. Postcode 6004 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free East Perth business listing More business listings in East Perth Businesses in East PerthAffordable Private InvestigatorsLevel one Goodearth Hotel · (08) 9325 3373Affordable Private Investigators195 Adelaide Terrace · (08)93253373Aged Care Courses PerthU1 · 0862451212 Common questionsWhat is the postcode for East Perth?East Perth, WA has the postcode 6004.What state is East Perth in?East Perth is in Western Australia (WA).Does postcode 6004 cover more than one suburb?No. Postcode 6004 covers East Perth only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.