Home Postcode finder ACT Symonston Symonston postcode ACT Symonston is a locality in Australian Capital Territory covered by postcode 2609. Postcode 2609 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Symonston business listing More business listings in Symonston Businesses in SymonstonHanrob Pet Hotels Canberra88 Mugga Lane, Symonston ACT, Australia · 1300426762Numbersowl14 Wormald Street · 1300272080 Common questionsWhat is the postcode for Symonston?Symonston, ACT has the postcode 2609.What state is Symonston in?Symonston is in Australian Capital Territory (ACT).Does postcode 2609 cover more than one suburb?Yes. Postcode 2609 covers 5 localities, so the postcode alone does not identify Symonston. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.