Caro Post Office

Post office

210 W. Lincoln Street, Caro, MI 48723

(989) 673-3104

This facility does not require an appointment to accept passport applications.

Appointment required

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

Book at USPS Directions Facilities in Caro Facilities in Michigan

Caro Post Office accepts new U.S. passport applications in person in Caro, MI. First-time and child visits are booked on the USPS scheduler. Search ZIP 48723. How to apply · How to renew