Washburn County Accounting 10 W 4th Ave Shell Lake, WI 54871 Phone : (715) 468-4610 Business Category Government Offices-County Legislative Bodies Washburn County Directory Of Offices Shell Lake, WI 54871 Phone : (715) 468-4610 Business Category Government Offices-County Timber & Timberland Companies Logging Lumber Brokers Government Offices & Public Schools