Home Postcodes by state QLD 4125 Postcode 4125 4125 is the postcode for 3 localities in QLD: Munruben, Park Ridge and Park Ridge South. Localities with postcode 4125MunrubenQLDPark RidgeQLDPark Ridge SouthQLD Postcode 4125 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 4124 · Postcode 4127