New Buffalo Post Office

Post office

325 W Buffalo Street, New Buffalo, MI 49117

Please call for an appointment at 269-469-3200. Hours are M-F 9:30am to 3:30pm.

Appointment required

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

Book at USPS Directions Facilities in New Buffalo Facilities in Michigan

New Buffalo Post Office accepts new U.S. passport applications in person in New Buffalo, MI. First-time and child visits are booked on the USPS scheduler. Search ZIP 49117. How to apply · How to renew