Exchange AvCity of Armadale » HarrisdaleDo you (or did you) live on Exchange Av in Harrisdale, WA? How has Exchange Av changed over the years? What was Exchange Av like in the early days? Who were the original residents of Exchange Av? Ask a question or tell your story below... April 17, 2017 by PerthMETRO.net zoom out · satellite view · hybrid (zoom out) Rate this street If you would like to be a custodian/moderator of Exchange Av, please contact us.