Culligan serves Adams, Altmar, Auburn, Aurora, Ava, Baldwinsville, Bernhards Bay, Blossvale, Boonville, Bouckville, Brewerton, Bridgeport, Brookfield, Camden, Camillus, Canastota, Cato, Cayuga, Cazenovia, Central Square, Chittenango, Cicero, Clay, Cleveland, Clifton Springs, Clyde, Constantia, De Ruyter, Durhamville, East Syracuse, Eaton, Elbridge, Erieville, Fabius, Fayetteville, Forestport, Fulton, Geneva, Genoa, Hamilton, Hannibal, Hastings, Holland Patent, Hubbardsville, Interlaken, Jamesville, Jordan, King Ferry, Kirkville, La Fayette, Lacona, Lee Center, Leonardsville, Liverpool, Locke, Lorraine, Lyons, Macedon, Madison, Manlius, Mannsville, Marcellus, Marietta, Marion, Martville, Memphis, Mexico, Minoa, Moravia, Morrisville, Munnsville, New Berlin, New Woodstock, Newark, North Rose, Oneida, Ontario, Oriskany, Oswego, Ovid, Palmyra, Parish, Pennellville, Phelps, Phoenix, Pompey, Port Byron, Preble, Pulaski, Red Creek, Redfield, Remsen, Richland, Rome, Romulus, Sandy Creek, Savannah, Scipio Center, Seneca Falls, Shortsville, Skaneateles, Sodus, Sodus Point, South Butler, Sterling, Sylvan Beach, Syracuse, Taberg, Tully, Union Springs, Vernon, Vernon Center, Verona, Walworth, Warners, Waterloo, Weedsport, West Edmeston, West Leyden, West Monroe, Westdale, Westernville, Westmoreland, Williamson, Williamstown, Wolcott and Woodgate.