Home Postcodes by state QLD 4061 Postcode 4061 4061 is the postcode for The Gap, QLD. Localities with postcode 4061The GapQLD Postcode 4061 State or territory Queensland (QLD) Localities 1 Council area Brisbane Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4060 · Postcode 4064