Home Postcode finder WA Tambellup Tambellup postcode WA Tambellup is a locality in Western Australia covered by postcode 6320. Postcode 6320 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Tambellup business listing More business listings in Tambellup Businesses in TambellupTambellup Primary SchoolTaylor St · 08 98251144 Common questionsWhat is the postcode for Tambellup?Tambellup, WA has the postcode 6320.What state is Tambellup in?Tambellup is in Western Australia (WA).Does postcode 6320 cover more than one suburb?Yes. Postcode 6320 covers 7 localities, so the postcode alone does not identify Tambellup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.