Uspo - East Helena

Post office

607 E. Porter St, East Helena, MT 59635

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 East Helena Facilities in Montana

Uspo - East Helena accepts new U.S. passport applications in person in East Helena, MT. First-time and child visits are booked on the USPS scheduler. Search ZIP 59635. How to apply · How to renew