pinkerton-plains postcode sa Home ›› Postcode Finder ›› SA ›› Pinkerton-Plains Pinkerton Plains local listingsThe suburb of Pinkerton Plains is located in SA and has a postcode of 5400. Free pinkerton plains business listing! Get the first free listing in pinkerton plains! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.