Post Offices in & near Waterloo, Wisconsin. Operating hours, locations, phone/fax number, services information.
Post Office in Waterloo, Wisconsin on W Madison St. Operating hours, phone number, services information, and other locations.
Address: 241 W Madison St, Waterloo, WI 53594
Phone: 920-478-4335
Fax: 920-478-9689
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457