griffith postcode actst Home ›› Postcode Finder ›› ACTST ›› Griffith Griffith local listingsThe suburb of Griffith is located in ACT and has a postcode of 2603. Free griffith business listing! 1St Edmund's College110 Canberra Ave 02 629535982Erroyl Pty LtdPO Box 6083 02803544213Insync Body Mind Life2A Barker Street (02) 6260 6666 View more business listings in griffith Search and find other Postcodes in Australian Capital Territory or widen the search to Postcodes in Australia.