Home Postcodes by state QLD 4054 Postcode 4054 4054 is the postcode for 2 localities in QLD: Arana Hills and Keperra. Localities with postcode 4054Arana HillsQLDKeperraQLD Postcode 4054 State or territory Queensland (QLD) Localities 2 Council area Moreton Bay; Brisbane Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4053 · Postcode 4055