Post Offices
Post Offices in & near Dumas, Mississippi. Operating hours, locations, phone/fax number, services information.
Duma Post Office
Post Office in Dumas, Mississippi on Highway 370. Operating hours, phone number, services information, and other locations.
Address: 3481a Highway 370, Dumas, MS 38625
Phone: 662-837-8595
Fax: 662-837-7340
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 12:00pmTuesday 8:00am - 12:00pm
Wednesday 8:00am - 12:00pm
Thursday 8:00am - 12:00pm
Friday 8:00am - 12:00pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 7:00am - 5:00pmTuesday 7:00am - 5:00pm
Wednesday 7:00am - 5:00pm
Thursday 7:00am - 5:00pm
Friday 7:00am - 5:00pm
Saturday 7:00am - 5:00pm
Sunday Closed
Last Collection Times
Monday 12:00pmTuesday 12:00pm
Wednesday 12:00pm
Thursday 12:00pm
Friday 12:00pm
Saturday 9:45am
Sunday Closed