Usps Williamsport Post Office

Post office

28 W Salisbury Street, Williamsport, MD 21795

Mon - Fri 10:30am - 3:30pm and Sat 10:30am - 12:00pm By appt only Closed for lunch from 12:00pm-2:00pm (Mon-Fri)

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

Book at USPS Directions Facilities in Williamsport Facilities in Maryland

Usps Williamsport Post Office accepts new U.S. passport applications in person in Williamsport, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21795. How to apply · How to renew