Usps Greensboro Main Post Office

Post office

202 W. Sunset Avenue, Greensboro, MD 21639

(410) 482-8366

By Appointment Only Mon-Fri 9:00am - 11:00pm and 1:00pm - 3:00pm CLOSED DURING LUNCH.

Appointment required

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

Book at USPS Directions Facilities in Greensboro Facilities in Maryland

Usps Greensboro Main Post Office accepts new U.S. passport applications in person in Greensboro, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21639. How to apply · How to renew