Post Offices
Post Offices in & near Union, Missouri. Operating hours, locations, phone/fax number, services information.
Union Post Office
Post Office in Union, Missouri on N Highway 47. Operating hours, phone number, services information, and other locations.
Address: 1276 N Highway 47, Union, MO 63084
Phone: 636-583-2442
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:30pmTuesday 9:00am - 5:30pm
Wednesday 9:00am - 5:30pm
Thursday 9:00am - 5:30pm
Friday 9:00am - 5:30pm
Saturday 9:30am - 12:30pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed
Last Collection Times
Monday 9:00am - 4:00pmTuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday 10:00am - 12:00pm
Sunday Closed