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! 1St Columba's Memorial School55 Warooka Rd 08 885214612Yorketown Area SchoolStansbury Rd 08 88521233 View more business listings in yorketown Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.