Home Postcodes by state SA 5134 Postcode 5134 5134 is the postcode for 2 localities in SA: Cherryville and Montacute. Localities with postcode 5134CherryvilleSAMontacuteSA Postcode 5134 State or territory South Australia (SA) Localities 2 Council area Adelaide Hills Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5133 · Postcode 5136