ISP Contact Info

With Yellowstone Fiber, you’re never locked into just one Internet Service Provider (ISP). Instead, the power of choice is in your hands and you can choose any of the 4 different ISPs on our network! If you ever need to contact your ISP you can find their contact information here:

ISP Phone Number Email Website 24/7 Support
(406) 587-5095 Yes

(406) 924-SUMO Yes
(406) 451-0010 Yes

(801) 539-0852 Yes

For residential terms and conditions for each ISP, click here.