Contact Us

If you need customer support or have questions which can be handled via email, please email us at  Otherwise, please use the contact information below:

Bill Payments:

Bill payments can be paid over the phone with a debit or credit card or can be sent to our post office box at:

The Montana Internet Corporation
PO Box 1420
Helena, MT 59624

If you have billing questions please email us at

Helena (Corporate Headquarters):

The Montana Internet Corporation
1424 National Avenue
Helena, MT 59601
Ph: (406) 443-3347
Fax: (406) 495-2909

This location is across from Smith's Transmission and between U-Haul and Pacific Steel.  Look for the big blue "Montana Internet" awning. 

Great Falls:

The Montana Internet Corporation
1601 2nd Avenue N, Suite 102
Great Falls, MT  59401
Ph: (406) 771-9700

This location is in the Columbus Center building, which is also known as the CASCO building.  Our office is on the ground floor near the northwest parking lot entrance.


We have an ongoing relationship with Lewistown On Line to provide local service and support for our customers in the Lewistown area.  They can be reached at:

Lewistown On Line
613 1st Ave South
Lewistown, MT  59457
Ph: (406) 538-7891