Home Postcode finder SA Bridgewater Bridgewater postcode SA Bridgewater is a locality in South Australia covered by postcode 5155. Postcode 5155 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Bridgewater business listing More business listings in Bridgewater Businesses in BridgewaterAdelaide Cleaneasy8 Fern Hill Rd, Bridgewater SA 5155, Australia · 0883612773Bridgewater Dental411 Mount Barker Rd, Bridgewater SA 5155, Australia · 0883709299Bridgewater Primary School46 Morella Grove · 08 83391600 Common questionsWhat is the postcode for Bridgewater?Bridgewater, SA has the postcode 5155.What state is Bridgewater in?Bridgewater is in South Australia (SA).Does postcode 5155 cover more than one suburb?Yes. Postcode 5155 covers 2 localities, so the postcode alone does not identify Bridgewater. Browse other postcodes in South Australia, or widen the search to every Australian postcode.