oakbank postcode sa Home ›› Postcode Finder ›› SA ›› Oakbank Oakbank local listingsThe suburb of Oakbank is located in SA and has a postcode of 5243. Free oakbank business listing! 1Oakbank Area School154 Main St 08 839872002Enviro-Net CanopiesADELAIDE HILLS 0401 077 221 View more business listings in oakbank Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.