Home Postcodes by state QLD 4223 Postcode 4223 4223 is the postcode for 3 localities in QLD: Currumbin, Currumbin Valley and Currumbin Waters. Localities with postcode 4223CurrumbinQLDCurrumbin ValleyQLDCurrumbin WatersQLD Postcode 4223 State or territory Queensland (QLD) Localities 3 Council area Gold Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4222 · Postcode 4224