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