karkoo postcode sa Home ›› Postcode Finder ›› SA ›› Karkoo Karkoo local listingsThe suburb of Karkoo is located in SA and has a postcode of 5607. Free karkoo business listing! 1Karkoo Primary SchoolRSD 08 86766030 View more business listings in karkoo Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.