Home Postcode finder SA Stow Stow postcode SA Stow is a locality in South Australia covered by postcode 5461. Postcode 5461 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Stow business listing Be the first listing in Stow Common questionsWhat is the postcode for Stow?Stow, SA has the postcode 5461.What state is Stow in?Stow is in South Australia (SA).Does postcode 5461 cover more than one suburb?Yes. Postcode 5461 covers 13 localities, so the postcode alone does not identify Stow. Browse other postcodes in South Australia, or widen the search to every Australian postcode.