Usps Callaway Post Office

Post office

20293 Piney Point Rd., Callaway, MD 20620

By Appointment Only. Mon - Fri 9:00am-12:00PM + 2:00PM - 4:00pm. (Closed During Lunch 12:00pm-2:00pm)

Appointment required

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

Book at USPS Directions Facilities in Callaway Facilities in Maryland

Usps Callaway Post Office accepts new U.S. passport applications in person in Callaway, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 20620. How to apply · How to renew