cowell postcode sa Home ›› Postcode Finder ›› SA ›› Cowell Cowell local listingsThe suburb of Cowell is located in SA and has a postcode of 5602. Free cowell business listing! 1Cowell Area School42 Story Rd 08 86292150 View more business listings in cowell Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.