Usps Clinton Post Office

Post office

9134 Piscataway Road, Clinton, MD 20735

(301) 868-1470

By Appointment Only. Mon, Wed, Thurs + Fri 10:00am - 3:00pm; Tue: 10:00am - 1:00PM & Sat 9:00am - 2:00pm

Appointment required

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

Book at USPS Directions Facilities in Clinton Facilities in Maryland

Usps Clinton Post Office accepts new U.S. passport applications in person in Clinton, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 20735. How to apply · How to renew