Welcome
Wisconsin
Description
Wisconsin
Postal address
Office of the Secretary of State of Wisconsin
State Capitol
Building, Room B41W
Madison WI 53702
Mailing Address:
Certification Desk
P.O. Box 7848
Madison, WI 53707-7848
For courier deliveries: State Capitol Mailroom, 17 W. Main St., Madison WI 53703
Phone: (608) 266-5503
Fax: (608) 266-3159
Email: statesec@wi .gov
https://sos.wi.gov/apostilles.htm