Home Postcodes by state QLD 4128 Postcode 4128 4128 is the postcode for 2 localities in QLD: Shailer Park and Tanah Merah. Localities with postcode 4128Shailer ParkQLDTanah MerahQLD Postcode 4128 State or territory Queensland (QLD) Localities 2 Council area Logan Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4127 · Postcode 4129