wellstead postcode wa Home ›› Postcode Finder ›› WA ›› Wellstead Wellstead local listingsThe suburb of Wellstead is located in WA and has a postcode of 6328. Free wellstead business listing! 1Wellstead Primary SchoolWellstead St 08 98472030 View more business listings in wellstead Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.