frewville postcode sa Home ›› Postcode Finder ›› SA ›› Frewville Frewville local listingsThe suburb of Frewville is located in SA and has a postcode of 5063. Free frewville business listing! 1Dyno Electric109A Conyngham Street 0407 728 3092Dyno Electric109A Conyngham Street 04077283093Dyno Electric AU109A Conyngham St, Frewville SA, Australia 08 7231 0361 View more business listings in frewville Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.