Home Postcode finder WA South Hedland South Hedland postcode WA South Hedland is a locality in Western Australia covered by postcode 6722. Postcode 6722 State or territory Western Australia (WA) Region North West Suburbs Add a free South Hedland business listing More business listings in South Hedland Businesses in South HedlandBaler Primary SchoolLot 2606 Baler Cl · 08 91721955Binbirri ContractingPO Box 2233 · 089172 2341Cassia Education Support CentreC/o Cassia Primary Boronia Close · 08 91723162 Common questionsWhat is the postcode for South Hedland?South Hedland, WA has the postcode 6722.What state is South Hedland in?South Hedland is in Western Australia (WA).Does postcode 6722 cover more than one suburb?Yes. Postcode 6722 covers 5 localities, so the postcode alone does not identify South Hedland. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.