Town Of Byron Highway 21 Warrens, WI 54666 Phone : (608) 372-9689 Business Category Government Offices-City Village & Twp Legislative Bodies Town Of Byron 23286 State Highway 21 Tomah, WI 54660 Phone : (608) 372-9689 Business Category Government Offices-City Village & Twp Government Offices State & Local Legislative Bodies Government Offices & Public Schools