Home Postcodes by state QLD 4818 Postcode 4818 4818 is the postcode for 18 localities in QLD: Beach Holm, Black River, Blue Hills, Bluewater, Bluewater Park, Bohle and 12 more. Localities with postcode 4818Beach HolmQLDBlack RiverQLDBlue HillsQLDBluewaterQLDBluewater ParkQLDBohleQLDBurdellQLDBushland BeachQLDCosgroveQLDDeeragunQLDJensenQLDLynamQLDMount LowQLDMount St JohnQLDSaunders BeachQLDShawQLDToolakeaQLDYabuluQLD Postcode 4818 State or territory Queensland (QLD) Localities 18 Council area Townsville Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4817 · Postcode 4819