Home Postcodes by state QLD 4554 Postcode 4554 4554 is the postcode for 2 localities in QLD: Eudlo and Ilkley. Localities with postcode 4554EudloQLDIlkleyQLD Postcode 4554 State or territory Queensland (QLD) Localities 2 Council area Sunshine Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4553 · Postcode 4555