Usps Prince Frederick Post Office

Post office

35 Duke Street, Prince Frederick, MD 20678

By Appt Only. Mon - Fri 10:00AM - 3:00PM.

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

Book at USPS Directions Facilities in Prince Frederick Facilities in Maryland

Usps Prince Frederick Post Office accepts new U.S. passport applications in person in Prince Frederick, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 20678. How to apply · How to renew