Post Offices
Post Offices in & near Adamstown, Maryland. Operating hours, locations, phone/fax number, services information.
Adamstown Post Office
Post Office in Adamstown, Maryland on Mountville Rd. Operating hours, phone number, services information, and other locations.
Address: 5537 Mountville Rd, Adamstown, MD 21710
Phone: 301-874-5429
Fax: 301-874-6030
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 1:00pm, 2:00pm - 5:00pmTuesday 8:30am - 1:00pm, 2:00pm - 5:00pm
Wednesday 8:30am - 1:00pm, 2:00pm - 5:00pm
Thursday 8:30am - 1:00pm, 2:00pm - 5:00pm
Friday 8:30am - 1:00pm, 2:00pm - 5:00pm
Saturday 8:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 7:30am - 11:59pmTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 12:00am - 12:00pm
Sunday Closed
Last Collection Times
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:00pm
Sunday Closed