Home Postcode finder WA Carbla Carbla postcode WA Carbla is a locality in Western Australia covered by postcode 6701. Postcode 6701 State or territory Western Australia (WA) Region North West Suburbs Add a free Carbla business listing Be the first listing in Carbla Common questionsWhat is the postcode for Carbla?Carbla, WA has the postcode 6701.What state is Carbla in?Carbla is in Western Australia (WA).Does postcode 6701 cover more than one suburb?Yes. Postcode 6701 covers 28 localities, so the postcode alone does not identify Carbla. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.