Potomac Falls Post Office

Post office

46164 West Lake Drive, Potomac Falls, VA 20165

(703) 433-1790

By Appointment Only. Mon-Fri 10:00am-2:45pm; Sat 9:00am-12:00pm

Appointment required

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

Book at USPS Directions Facilities in Potomac Falls Facilities in Virginia

Potomac Falls Post Office accepts new U.S. passport applications in person in Potomac Falls, VA. First-time and child visits are booked on the USPS scheduler. Search ZIP 20165. How to apply · How to renew