Contact Us Town of Byron Fond du Lac County, Wisconsin Town Hall: N3097 WI-175 Brownsville, WI 53006 Katie Trewin, Clerk (920) 948-2652 W5232 Brookside Rd. Fond du Lac, WI 54937 [email protected] Contact Us Form Name(Required) First Last Phone(Required)Email Subject(Required)Message(Required)CAPTCHA