Home Postcodes by state WA Rottnest Island Rottnest Island postcode WA Rottnest Island is a locality in Western Australia covered by postcode 6161. Postcode 6161 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Council area Cockburn Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Rottnest Island business listing More business listings in Rottnest Island Suburbs near Rottnest IslandStraight-line distance between locality centres.North FremantleWA 6159 · 20.6 kmCottesloeWA 6011 · 20.7 kmPeppermint GroveWA 6011 · 21.1 kmMosman ParkWA 6012 · 21.4 kmSouth FremantleWA 6162 · 21.6 kmEast FremantleWA 6158 · 21.7 kmSwanbourneWA 6010 · 21.7 kmFremantleWA 6160 · 21.7 kmMount ClaremontWA 6010 · 22.5 kmClaremontWA 6010 · 22.8 kmClaremont NorthWA 6010 · 22.8 kmWhite Gum ValleyWA 6162 · 22.9 km Businesses in Rottnest IslandRottnest Island Primary School14 Kelly St · 08 92925005Skydive GeronimoBrand Way, Rottnest Island WA 6161, Australia · 0429 486 737 Common questionsWhat is the postcode for Rottnest Island?Rottnest Island, WA has the postcode 6161.What state is Rottnest Island in?Rottnest Island is in Western Australia (WA).What council is Rottnest Island in?Rottnest Island is in the Cockburn local government area.Does postcode 6161 cover more than one suburb?No. Postcode 6161 covers Rottnest Island only, which is unusual - most Australian postcodes cover several localities.What suburbs are near Rottnest Island?The closest are North Fremantle (20.6 km), Cottesloe (20.7 km), Peppermint Grove (21.1 km), Mosman Park (21.4 km) and South Fremantle (21.6 km). Distances are straight lines between locality centres. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.