seppeltsfield postcode sa Home ›› Postcode Finder ›› SA ›› Seppeltsfield Seppeltsfield local listingsThe suburb of Seppeltsfield is located in SA and has a postcode of 5355. Free seppeltsfield business listing! Get the first free listing in seppeltsfield! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.