Home Postcodes by state QLD 4572 Postcode 4572 4572 is the postcode for Alexandra Headland, QLD. Localities with postcode 4572Alexandra HeadlandQLD Postcode 4572 State or territory Queensland (QLD) Localities 1 Council area Sunshine Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4571 · Postcode 4573