Willis Post Office

Post office

609 N. Campbell St., Willis, TX 77378

(936) 856-4981

20 appointments a day.

Appointment required

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

Book at USPS Directions Facilities in Willis Facilities in Texas

Willis Post Office accepts new U.S. passport applications in person in Willis, TX. First-time and child visits are booked on the USPS scheduler. Search ZIP 77378. How to apply · How to renew