Home Postcode finder WA Lockridge Lockridge postcode WA Lockridge is a locality in Western Australia covered by postcode 6054. Postcode 6054 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Lockridge business listing More business listings in Lockridge Businesses in LockridgeGood Shepherd Catholic School215 Morley Drive East · 08 62789500Lockridge Primary School48 Rosher Rd · 08 93771110Rise Collaboration34 Mattner Square, Lockridge WA 6054, Australia · 04 0674 6533 Common questionsWhat is the postcode for Lockridge?Lockridge, WA has the postcode 6054.What state is Lockridge in?Lockridge is in Western Australia (WA).Does postcode 6054 cover more than one suburb?Yes. Postcode 6054 covers 5 localities, so the postcode alone does not identify Lockridge. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.