augusta postcode wa Home ›› Postcode Finder ›› WA ›› Augusta Augusta local listingsThe suburb of Augusta is located in WA and has a postcode of 6290. Free augusta business listing! 1Augusta Primary School32 Allnut Tce 08 975815252Sunplay60 Victoria Pde 08 9758 1068 View more business listings in augusta Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.