coromandel-valley postcode sa Home ›› Postcode Finder ›› SA ›› Coromandel-Valley Coromandel Valley local listingsThe suburb of Coromandel Valley is located in SA and has a postcode of 5051. Free coromandel valley business listing! Get the first free listing in coromandel valley! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.