Home Postcode finder WA Nangeenan Nangeenan postcode WA Nangeenan is a locality in Western Australia covered by postcode 6414. Postcode 6414 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Nangeenan business listing Be the first listing in Nangeenan Common questionsWhat is the postcode for Nangeenan?Nangeenan, WA has the postcode 6414.What state is Nangeenan in?Nangeenan is in Western Australia (WA).Does postcode 6414 cover more than one suburb?No. Postcode 6414 covers Nangeenan only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.