Home Postcode finder SA Solomontown Solomontown postcode SA Solomontown is a locality in South Australia covered by postcode 5540. Postcode 5540 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Solomontown business listing More business listings in Solomontown Businesses in SolomontownSolomontown Primary School79 Three Chain Rd · 08 86322191The Flinders Motel On Main151 Warnertown Rd · 0886323555 Common questionsWhat is the postcode for Solomontown?Solomontown, SA has the postcode 5540.What state is Solomontown in?Solomontown is in South Australia (SA).Does postcode 5540 cover more than one suburb?Yes. Postcode 5540 covers 14 localities, so the postcode alone does not identify Solomontown. Browse other postcodes in South Australia, or widen the search to every Australian postcode.