King Of Prussia Post Office

Post office

620 Allendale Road Ste 125, King Of Prussia, PA 19406

Appointment Only (610) 337-9823

Appointment required

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

Book at USPS Directions Facilities in King Of Prussia Facilities in Pennsylvania

King Of Prussia Post Office accepts new U.S. passport applications in person in King Of Prussia, PA. First-time and child visits are booked on the USPS scheduler. Search ZIP 19406. How to apply · How to renew