Home Postcodes by state WA 6722 Postcode 6722 6722 is the postcode for 5 localities in WA: Boodarie, De Grey, Finucane, Pippingarra and South Hedland. Localities with postcode 6722BoodarieWADe GreyWAFinucaneWAPippingarraWASouth HedlandWA Postcode 6722 State or territory Western Australia (WA) Localities 5 Council area Port Hedland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6721 · Postcode 6725