curtin postcode act Home ›› Postcode Finder ›› ACT ›› Curtin Curtin local listingsThe suburb of Curtin is located in ACT and has a postcode of 2605. Free curtin business listing! 1Curtin Primary School70 Theodore St 02 620556222Holy Trinity Primary School18-20 Theodore St 02 62814811 View more business listings in curtin Search and find other Postcodes in Australian Capital Territory or widen the search to Postcodes in Australia.