Home Postcodes by state SA 5277 Postcode 5277 5277 is the postcode for 8 localities in SA: Comaum, Glenroy, Maaoupe, Monbulla, Nangwarry, Penola and 2 more. Localities with postcode 5277ComaumSAGlenroySAMaaoupeSAMonbullaSANangwarrySAPenolaSAPleasant ParkSATarpeenaSA Postcode 5277 State or territory South Australia (SA) Localities 8 Council area Wattle Range; Grant Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5276 · Postcode 5278