Home Postcode finder WA Banjup Banjup postcode WA Banjup 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 Banjup business listing More business listings in Banjup Businesses in BanjupWilliams Tree ProHarper Road · 0416 356 359 Common questionsWhat is the postcode for Banjup?Banjup, WA has the postcode 6164.What state is Banjup in?Banjup 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 Banjup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.