Home Postcode finder SA Coromandel Valley Coromandel Valley postcode SA Coromandel Valley is a locality in South Australia covered by postcode 5051. Postcode 5051 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Coromandel Valley business listing More business listings in Coromandel Valley Businesses in Coromandel ValleyAquatek Plumbing & GasCoromandel Valley South Australia 5051, Australia · (08) 8123 3535Coromandel Valley Primary School339 Main Rd · 08 82783693Hotwatertek13 Hurds Hill Drive, Coromandel Valley SA, Australia · 1300123233 Common questionsWhat is the postcode for Coromandel Valley?Coromandel Valley, SA has the postcode 5051.What state is Coromandel Valley in?Coromandel Valley is in South Australia (SA).Does postcode 5051 cover more than one suburb?Yes. Postcode 5051 covers 4 localities, so the postcode alone does not identify Coromandel Valley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.