Home Postcode finder WA Coolbinia Coolbinia postcode WA Coolbinia is a locality in Western Australia covered by postcode 6050. Postcode 6050 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Coolbinia business listing More business listings in Coolbinia Businesses in CoolbiniaAbility WA106 Bradford St, Coolbinia WA, Australia · 1300 106 106Coolbinia Primary School104 Bradford St · 08 94443798Sir David Brand SchoolGlick Rd · 08 92713576 Common questionsWhat is the postcode for Coolbinia?Coolbinia, WA has the postcode 6050.What state is Coolbinia in?Coolbinia is in Western Australia (WA).Does postcode 6050 cover more than one suburb?Yes. Postcode 6050 covers 3 localities, so the postcode alone does not identify Coolbinia. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.