adelaide postcode sa Home ›› Postcode Finder ›› SA ›› Adelaide Adelaide local listingsThe suburb of Adelaide is located in SA and has a postcode of 5000. Free adelaide business listing! 1Adelaide High SchoolWest Terrace 08 823193732Eynesbury Senior College15-19 Franklin St 08 841052663Muirden Senior College368 King William St 08 82124342 View more business listings in adelaide Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.