King County Service Area: Bellevue, Bothell, Black Diamond, Brier, Burien, Carnation, Clyde Hill, Covington, Des Moines, Duvall, Enumclaw, Fall City, Federal Way, Issaquah, Kenmore, Kent, Kirkland, Lake Forest Park, Medina, Mercer Island, Newcastle, Normandy Park, North Bend, Pacific, Preston, Redmond, Renton, Sammamish, Seattle, SeaTac, Shoreline, Snoqualmie, Tukwila, Woodinville
Snohomish County Service Area: Arlington, Bothell, Edmonds, Everett, Gold Bar, Lake Stevens, Lynnwood, Marysville, Mill Creek, Mountlake Terrace, Monroe, Mukilteo, Snohomish, Sultan, Snohomish
Pierce County Service Area: Auburn, Bonney Lake, Buckley, Edgewood, Fife, Fircrest, Fox Island, Gig Harbor, Graham, Lakewood, Maple Valley, Milton, Orting, Parkland, Puyallup, Roy, Spanaway, Steilacoom, Sumner, Tacoma, University Place
Thurston County Service Area: Lacey, Olympia, Tumwater
Kitsap County Service Area: Bainbridge Island, Belfair, Bremerton, Port Orchard, Poulsbo, Silverdale
Kittitas County Service Area: Cle Elum, Easton, Ellensburg, Suncadia
Other Cities: Bellingham, Burlington, Chehalis, Friday Harbor, Longview, Lynden, Oak Harbor, Port Angeles, Port Townsend, Vancouver