Home Postcodes by state QLD 4218 Postcode 4218 4218 is the postcode for 7 localities in QLD: Broadbeach, Broadbeach Waters, Mermaid Beach, Mermaid Waters, Nobby Beach, Pacific Fair and 1 more. Localities with postcode 4218BroadbeachQLDBroadbeach WatersQLDMermaid BeachQLDMermaid WatersQLDNobby BeachQLDPacific FairQLDQ SupercentreQLD Postcode 4218 State or territory Queensland (QLD) Localities 7 Council area Gold Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4217 · Postcode 4219