Plumbquick covers the Hornby CBD and all Hornby suburbs including Halswell, Merivale, Fendalton, Sumner, Cashmere, Redcliffs, Lincoln, Prebbleton, West Melton, St Albans, Clifton, Strowan, Kennedys Bush, Huntsbury, Moncks Bay, Scarborough, Westmorland, Richmond Hill, and Mount Pleasant.