PassportMap

Uspo - Great Falls

Post office

215 1st Ave North, Rm 135, Great Falls, MT 59401

(406) 771-2168

Appointments Required: (406) 771-2168.

Appointment required

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

Uspo - Great Falls accepts new U.S. passport applications in person in Great Falls, MT. First-time and child visits are booked on the USPS scheduler. Search ZIP 59401. How to apply · How to renew

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