huddleston postcode sa Home ›› Postcode Finder ›› SA ›› Huddleston Huddleston local listingsThe suburb of Huddleston is located in SA and has a postcode of 5523. Free huddleston business listing! Get the first free listing in huddleston! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.