Home Postcodes by state WA 6260 Postcode 6260 6260 is the postcode for 10 localities in WA: Beedelup, Biddelia, Callcup, Channybearup, Collins, Eastbrook and 4 more. Localities with postcode 6260BeedelupWABiddeliaWACallcupWAChannybearupWACollinsWAEastbrookWALake JasperWAPeerabeelupWAPembertonWAYeagarupWA Postcode 6260 State or territory Western Australia (WA) Localities 10 Council area Manjimup; Nannup Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6258 · Postcode 6262