Uspo - Libby

Post office

518 Main Ave, Libby, MT 59923

Hours are not published. Call before you go.

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

Book at USPS Directions Facilities in Libby Facilities in Montana

Uspo - Libby accepts new U.S. passport applications in person in Libby, MT. First-time and child visits are booked on the USPS scheduler. Search ZIP 59923. How to apply · How to renew