Home Postcodes by state WA 6213 Postcode 6213 6213 is the postcode for 7 localities in WA: Banksiadale, Dwellingup, Etmilyn, Holyoake, Inglehope, Marrinup and 1 more. Localities with postcode 6213BanksiadaleWADwellingupWAEtmilynWAHolyoakeWAInglehopeWAMarrinupWATeesdaleWA Postcode 6213 State or territory Western Australia (WA) Localities 7 Council area Murray Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6211 · Postcode 6214