Home Postcodes by state WA 6182 Postcode 6182 6182 is the postcode for Keralup, WA. Localities with postcode 6182KeralupWA Postcode 6182 State or territory Western Australia (WA) Localities 1 Council area Rockingham Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6181 · Postcode 6207