Home Postcodes by state QLD 4676 Postcode 4676 4676 is the postcode for 2 localities in QLD: Gindoran and Lowmead. Localities with postcode 4676GindoranQLDLowmeadQLD Postcode 4676 State or territory Queensland (QLD) Localities 2 Council area Gladstone Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4674 · Postcode 4677