Post Offices in & near Mercer, North Dakota. Operating hours, locations, phone/fax number, services information.
Post Office in Mercer, North Dakota on Main St. Operating hours, phone number, services information, and other locations.
Address: 101 Main St, Mercer, ND 58559
Phone: 701-447-2261
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
