Home Postcodes by state WA 6324 Postcode 6324 6324 is the postcode for 8 localities in WA: Denbarker, Forest Hill, Mount Barker, Perillup, Porongurup, South Stirling and 2 more. Localities with postcode 6324DenbarkerWAForest HillWAMount BarkerWAPerillupWAPorongurupWASouth StirlingWATakalarupWAWoogenellupWA Postcode 6324 State or territory Western Australia (WA) Localities 8 Council area Plantagenet; Albany Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6323 · Postcode 6326