Post Offices
Post Offices in & near The Knolls, Maryland. Operating hours, locations, phone/fax number, services information.
Prince Frederick Post Office
Post Office in Prince Frederick, Maryland on Duke St. Operating hours, phone number, services information, and other locations.
Address: 35 Duke St, Prince Frederick, MD 20678
Phone: 301-855-1742
Fax: 410-414-3880
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 - 12:30pm
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:30pm
Sunday Closed
Last Collection Times
Monday 10:00am - 3:00pmTuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
Saturday Closed
Sunday Closed
Barstow Post Office
Address: 2485 Hallowing Point Rd, Barstow, MD 20610
Phone: 410-535-1479
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Bened Post Office
Address: 7240 Benedict Ave, Benedict, MD 20612
Phone: 301-274-3337
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Port Republ Post Office
Address: 3000 Saint Leonard Rd, Port Republic, MD 20676
Phone: 410-586-0580
Fax: 410-586-1537
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Huntingtown Post Office
Address: 4020 Old Town Rd, Huntingtown, MD 20639
Phone: 410-535-9633
Fax: 410-535-9632
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Saint Leonard Post Office
Address: 4244 Saint Leonard Rd Ste 100, Saint Leonard, MD 20685
Phone: 410-586-0688
Fax: 410-586-3909
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457