Post Offices
Post Offices in & near Clarksburg, Maryland. Operating hours, locations, phone/fax number, services information.
Clarksburg Post Office
Post Office in Clarksburg, Maryland on Gateway Center Dr. Operating hours, phone number, services information, and other locations.
Address: 22505 Gateway Center Dr, Clarksburg, MD 20871
Phone: 301-540-0856
Fax: 301-428-1335
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:30pm
Sunday Closed
Last Collection Times
Monday 10:30am - 3:30pmTuesday 10:30am - 3:30pm
Wednesday 10:30am - 3:30pm
Thursday 10:30am - 3:30pm
Friday 10:30am - 3:30pm
Saturday 9:30am - 10:30am
Sunday Closed