Home Postcodes by state QLD 4131 Postcode 4131 4131 is the postcode for 2 localities in QLD: Loganlea and Meadowbrook. Localities with postcode 4131LoganleaQLDMeadowbrookQLD Postcode 4131 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 4130 · Postcode 4132