Home Postcodes by state SA 5098 Postcode 5098 5098 is the postcode for 2 localities in SA: Ingle Farm and Walkley Heights. Localities with postcode 5098Ingle FarmSAWalkley HeightsSA Postcode 5098 State or territory South Australia (SA) Localities 2 Council area Salisbury; Mainly Salisbury, partly Port Adelaide Enfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5097 · Postcode 5106