PassportMap

Usps Clarksburg Post Office

Post office

22505 Gateway Center Drive, Clarksburg, MD 20871

(301) 540-0856

Monday - Friday 10:30AM -12:30PM + 2:00PM - 4:00PM. Appointment only. Closed During Lunch

Appointment required

Hours and addresses come from the State Department listing, updated November 2, 2026.

Usps Clarksburg Post Office accepts new U.S. passport applications in person in Clarksburg, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 20871. How to apply · How to renew