orroroo postcode sa Home ›› Postcode Finder ›› SA ›› Orroroo Orroroo local listingsThe suburb of Orroroo is located in SA and has a postcode of 5431. Free orroroo business listing! 1Orroroo Area School2 West Terrace 08 86581100 View more business listings in orroroo Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.