Home Postcode finder WA Westminster Westminster postcode WA Westminster is a locality in Western Australia covered by postcode 6061. Postcode 6061 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Westminster business listing More business listings in Westminster Businesses in WestminsterSim's Wheelie Washing45b Arkana Rd, Westminster WA 6061, Australia · 0418955949St Gerard's Primary School31 Changton Way · 08 93498706Westminster Education Support CentreMarloo Rd · 08 93491344 Common questionsWhat is the postcode for Westminster?Westminster, WA has the postcode 6061.What state is Westminster in?Westminster is in Western Australia (WA).Does postcode 6061 cover more than one suburb?Yes. Postcode 6061 covers 4 localities, so the postcode alone does not identify Westminster. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.