watson postcode actst Home ›› Postcode Finder ›› ACTST ›› Watson Watson local listingsThe suburb of Watson is located in ACT and has a postcode of 2602. Free watson business listing! 1Majura Primary School101 Knox St 02 620557112Rosary Primary School9 Fleming St 02 624800103Islamic School of CanberraBlock G 49 Phillip Ave Technology Park 02 62419554 View more business listings in watson Search and find other Postcodes in Australian Capital Territory or widen the search to Postcodes in Australia.