Post Offices in & near Northeim, Wisconsin. Operating hours, locations, phone/fax number, services information.
Post Office in Newton, Wisconsin on County Road U. Operating hours, phone number, services information, and other locations.
Address: 5627 County Road U, Newton, WI 53063
Phone: 920-726-4233
Fax: 920-726-4810
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457