Home Postcode finder WA Byford Byford postcode WA Byford is a locality in Western Australia covered by postcode 6122. Postcode 6122 State or territory Western Australia (WA) Region North West Suburbs Add a free Byford business listing More business listings in Byford Businesses in ByfordBradway ContractingPO Box · 08 9525 0080Byford Accountants887 S Western Hwy, Byford WA 6122, Australia · +61 8 9525 4000Byford Child Care Centre27 Clifton St · 08 9526 2526 Common questionsWhat is the postcode for Byford?Byford, WA has the postcode 6122.What state is Byford in?Byford is in Western Australia (WA).Does postcode 6122 cover more than one suburb?Yes. Postcode 6122 covers 4 localities, so the postcode alone does not identify Byford. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.