23 Postcodes Available in sa Home ›› State Postcodes ›› SA ›› O Sort results by suburb or postcode Suburb Postcode old teal flat5238oakbank5243ob flat5291overland corner5330old calperum5341oodla wirra5422orroroo5431olary5440owen5460one tree hill5114o'halloran hill5158old reynella5161onkaparinga hills5163o'sullivan beach5166old noarlunga5168olympic dam5725oodnadatta5734ottoway5013osborne5017outer harbor5018oaklands park5046ovingham5082oakden5086