Home Postcodes by state QLD 4115 Postcode 4115 4115 is the postcode for 2 localities in QLD: Algester and Parkinson. Localities with postcode 4115AlgesterQLDParkinsonQLD Postcode 4115 State or territory Queensland (QLD) Localities 2 Council area Brisbane Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4114 · Postcode 4116