Home Postcodes by state QLD 4114 Postcode 4114 4114 is the postcode for 3 localities in QLD: Kingston, Logan Central and Woodridge. Localities with postcode 4114KingstonQLDLogan CentralQLDWoodridgeQLD Postcode 4114 State or territory Queensland (QLD) Localities 3 Council area Logan Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4113 · Postcode 4115