Montana is served by the USINS Helena District Office located at 2800 Skyway Drive; Helena, MT 59602. The Helena District Office is open to the public between 8:00 AM and 3:30 PM, Monday, Tuesday, Thursday and Friday. The office is closed on Wednesdays except for emergencies or for persons travelling long distances. Click here to find the INS USCIS Immigration Forms you need! Click here to find the immigration books and manuals you need! Click Here for Immigration Information, Reports, and Frequent Questions