wanniassa postcode act Home ›› Postcode Finder ›› ACT ›› Wanniassa Wanniassa local listingsThe suburb of Wanniassa is located in ACT and has a postcode of 2903. Free wanniassa business listing! 1Erindale College115 Mcbryde Cres 02 620581112MacKillop Catholic College12 MacKinnon St 02 620901003Trinity Christian School34 McBryde Crescent 02 62314177 View more business listings in wanniassa Search and find other Postcodes in Australian Capital Territory or widen the search to Postcodes in Australia.