Home Postcodes by state WA 6006 Postcode 6006 6006 is the postcode for North Perth, WA. Localities with postcode 6006North PerthWA Postcode 6006 State or territory Western Australia (WA) Localities 1 Council area Vincent Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6005 · Postcode 6007