Home Postcode finder SA Broughton River Valley Broughton River Valley postcode SA Broughton River Valley is a locality in South Australia covered by postcode 5454. Postcode 5454 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Broughton River Valley business listing Be the first listing in Broughton River Valley Common questionsWhat is the postcode for Broughton River Valley?Broughton River Valley, SA has the postcode 5454.What state is Broughton River Valley in?Broughton River Valley is in South Australia (SA).Does postcode 5454 cover more than one suburb?Yes. Postcode 5454 covers 7 localities, so the postcode alone does not identify Broughton River Valley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.