Home Postcode finder WA Boyanup Boyanup postcode WA Boyanup is a locality in Western Australia covered by postcode 6237. Postcode 6237 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Boyanup business listing More business listings in Boyanup Businesses in BoyanupBoyanup Primary School45 Thomas St · 08 97315111ChildSide SchoolLot 74 Armstrong St · 08 97315232Extra Virgin Olive OilPo Box 448 Boyanup · 0428232001 Common questionsWhat is the postcode for Boyanup?Boyanup, WA has the postcode 6237.What state is Boyanup in?Boyanup is in Western Australia (WA).Does postcode 6237 cover more than one suburb?Yes. Postcode 6237 covers 6 localities, so the postcode alone does not identify Boyanup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.