4th Corner servers regularly cover four entire counties in northwest Washington. We cover Whatcom, Skagit, Island, and Snohomish counties. The primary cities, towns, and communities in this area are listed in the following table. Areas marked by a * are considered remote and extra fees apply. Also see the map below the city listing.

Whatcom County
Skagit County
Island County
Snohomish County
  • Bellingham
  • Ferndale
  • Lynden
  • Blaine
  • Everson
  • Nooksack
  • Sumas
  • Glacier*
  • Maple Falls
  • Lummi Island*
  • Laurel
  • Birch Bay
  • Acme
  • Mount Vernon
  • Burlington
  • Anacortes
  • Sedro Woolley
  • Lyman
  • Concrete
  • LaConner
  • Conway
  • Big Lake
  • Guemes Island*
  • Bow
  • Edison
  • Rockport*
  • Marblemount*
  • Oak Harbor
  • Coupeville
  • Greenbank
  • Freeland
  • Langley*
  • Clinton*
  • Camano Island
  • Alderwood
  • Arlington
  • Darrington*
  • Edmonds
  • Everett
  • Gold Bar*
  • Granite Falls
  • Index*
  • Lake Stevens
  • Lynnwood
  • Marysville
  • Mill Creek
  • Monroe
  • Mountlake Terrace
  • Mulkilteo
  • Snohomish
  • Stanwood