yorketown postcode sa Home ›› Postcode Finder ›› SA ›› Yorketown Yorketown local listingsThe suburb of Yorketown is located in SA and has a postcode of 5576. Free yorketown business listing! 1Yorketown Area SchoolStansbury Rd 08 885212332St Columba's Memorial School55 Warooka Rd 08 88521461 View more business listings in yorketown Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.