Home Postcode finder WA South Lake South Lake postcode WA South Lake is a locality in Western Australia covered by postcode 6164. Postcode 6164 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free South Lake business listing More business listings in South Lake Businesses in South LakeGutter Cleaning Perth4 Bolderwood Drive, South Lake WA, Australia · 0466593890Lakeland Senior High School106 South Lake Drive · 08 94172900South Lake Primary School62 Mason Court · 08 94172998 Common questionsWhat is the postcode for South Lake?South Lake, WA has the postcode 6164.What state is South Lake in?South Lake is in Western Australia (WA).Does postcode 6164 cover more than one suburb?Yes. Postcode 6164 covers 10 localities, so the postcode alone does not identify South Lake. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.