Serving King County, including Seattle, Bellevue, Bonney Lake, Bothell, Burien, Clyde Hill, Covington, Duvall, Everett, Federal Way, Kent, Kirkland, Issaquah, Lake Forest Park, Medina, Mercer Island, New Castle, North Bend, Normandy Park, Puyallup, Ravensdale, Redmond, Renton, Sammamish, SeaTac, Shoreline, Snoqualmie Ridge, Tacoma, Tukwila, University Place, and Vashon since 1991.