Home Postcodes by state QLD 4551 Postcode 4551 4551 is the postcode for 14 localities in QLD: Aroona, Battery Hill, Bells Creek, Caloundra, Caloundra West, Currimundi and 8 more. Localities with postcode 4551AroonaQLDBattery HillQLDBells CreekQLDCaloundraQLDCaloundra WestQLDCurrimundiQLDDicky BeachQLDGolden BeachQLDKings BeachQLDLittle MountainQLDMeridan PlainsQLDMoffat BeachQLDPelican WatersQLDShelly BeachQLD Postcode 4551 State or territory Queensland (QLD) Localities 14 Council area Sunshine Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4550 · Postcode 4552