Post Offices
Post Offices in & near Gratiot, Missouri. Operating hours, locations, phone/fax number, services information.
Southw Post Office
Southwest Post Office in Saint Louis, Missouri on Clifton Ave. Operating hours, phone number, services information, and other locations.
Address: 3232 Clifton Ave, Saint Louis, MO 63139
Phone: 314-645-0902
Fax: 314-645-6970
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 6:00pmTuesday 9:00am - 6:00pm
Wednesday 9:00am - 6:00pm
Thursday 9:00am - 6:00pm
Friday 9:00am - 6:00pm
Saturday 9:00am - 2:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:45pm
Sunday Closed
Last Collection Times
Monday 10:00am - 4:00pmTuesday 10:00am - 4:00pm
Wednesday 10:00am - 4:00pm
Thursday 10:00am - 4:00pm
Friday 10:00am - 4:00pm
Saturday 10:00am - 12:30pm
Sunday Closed