Home Postcodes by state QLD 4502 Postcode 4502 4502 is the postcode for Petrie, QLD. Localities with postcode 4502PetrieQLD Postcode 4502 State or territory Queensland (QLD) Localities 1 Council area Moreton Bay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4501 · Postcode 4503