exeter postcode sa Home ›› Postcode Finder ›› SA ›› Exeter Exeter local listingsThe suburb of Exeter is located in SA and has a postcode of 5019. Free exeter business listing! 1Gregory Built Bathroom RenovationsTeakle St, Exeter SA 5019, Australia 0430 992 303 View more business listings in exeter Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.