Post Offices

Post Offices in & near Mercer, North Dakota. Operating hours, locations, phone/fax number, services information.

Mercer Post Office

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

Retail Hours

Monday 9:30am - 11:30am
Tuesday 9:30am - 11:30am
Wednesday 9:30am - 11:30am
Thursday 9:30am - 11:30am
Friday 9:30am - 11:30am
Saturday 9:30am - 11:30am
Sunday Closed

Lobby Hours

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 4:00pm
Sunday Closed

Last Collection Times

Monday 9:30am - 10:30am
Tuesday 9:30am - 10:30am
Wednesday 9:30am - 10:30am
Thursday 9:30am - 10:30am
Friday 9:30am - 10:30am
Saturday Closed
Sunday Closed