In Granite County there are 2 residential DSL providers covering 88.79% of the county. The average home can get speeds up to 31 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all DSL internet providers in Granite County, MT.
To see availability maps for all providers including fiber, cable, DSL, and more in Granite County, MT please click below.
Granite County, MT Availability Maps
DSL Internet Service Providers in Granite County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Granite County are not shown.
Granite County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Granite County is DSL internet available?
DSL Internet Availability Key
DSL is available in 88.79% of Granite County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Blackfoot. Call one of the companies with service in Granite County above to see who has service at your home.
How fast is DSL internet in Granite County?
The map below shows maximum DSL internet speeds by area in Granite County.
DSL Internet Speed Key
The average Granite County home can get up to 31 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 40 Mbps, which 58.63% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 25.32% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Granite County.
DSL internet speeds tend to be faster in the southeast parts of Granite County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Granite County?
The fastest internet for you may vary based on where in Granite County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 62.83% of Granite County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for 14.75%.
- Fixed wireless is fastest for 13.54%.
- Satellite internet may be the only option for 8.88% of Granite County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Granite County, along with details on where in Granite County and at what speeds.
Blackfoot Communications DSL in Granite County, MT
Blackfoot DSL coverage
About 85.28%, or 2,822 people, have Blackfoot DSL internet available to them in the county. The company covers the entire Granite County area. Blackfoot is a large internet service provider internet service providers in the US, with internet service available in most of Granite County.
Blackfoot Communications DSL download speeds
Blackfoot is below average when comparing download speeds to all other internet providers in Granite County. Versus other DSL providers in the area, Blackfoot DSL is the fastest. There are 3 different maximum speeds throughout Granite County. The fastest plan anyone in Granite County can order from Blackfoot goes up to 40 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Granite County customers is up to 31 Mbps.
Show all download speeds
- 68.7% up to 40.0 Mbps
- 5.7% up to 25.0 Mbps
- 25.6% up to 10.0 Mbps
Blackfoot Communications DSL upload speeds
In Granite County download speeds tend to be faster than than upload speeds for Blackfoot DSL. Compared to other ISPs, Blackfoot is below average where upload speeds are concerned, and the fastest compared to other Granite County DSL providers. Blackfoot offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Granite County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Blackfoot customers can get speeds up to 4.0 Mbps.
Show all upload speeds
- 74.4% up to 5.0 Mbps
- 25.6% up to 1.0 Mbps
Centurylink DSL in Granite County, MT
Centurylink DSL coverage
About 3.51%, or 116 people, have Centurylink DSL internet available to them in the county. The company covers the southwest and south Granite County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Granite County.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Granite County. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are no different maximum speeds throughout Granite County. The fastest plan anyone in Granite County can order from Centurylink goes up to 10 Mbps, and all Granite County customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Centurylink DSL upload speeds
In Granite County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the slowest compared to other Granite County DSL providers. Centurylink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Granite County is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Granite County DSL by Area
This information is most helpful to those looking for homes or considering moving to Granite County or any of the areas nearby.
How does DSL internet in Granite County compare to the rest of Montana?
DSL internet speeds in Granite County are much faster versus the average speeds in Montana: 0.00 Mbps in Montana versus 31 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Montana is 0.00% versus 88.79% in Granite County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Granite County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Powell County, MT: less DSL coverage, slower speeds
- Ravalli County, MT: less DSL coverage, faster speeds
- Meagher County, MT: less DSL coverage, slower speeds
- Clearwater County, ID: less DSL coverage, faster speeds
- Nez Perce County, ID: more DSL coverage, faster speeds
- Asotin County, WA: more DSL coverage, faster speeds
- Garfield County, WA: less DSL coverage, faster speeds
- Columbia County, WA: less DSL coverage, slower speeds
- Musselshell County, MT: less DSL coverage, slower speeds
- Franklin County, WA: less DSL coverage, faster speeds
Counties with Similar Populations
- Gregory County, SD: less DSL coverage, slower speeds
- Rush County, KS: less DSL coverage, slower speeds
- Runnels County, TX: less DSL coverage, slower speeds
- Rosebud County, MT: more DSL coverage, slower speeds
- Roosevelt County, MT: more DSL coverage, slower speeds
- Rooks County, KS: less DSL coverage, slower speeds
- Roger Mills County, OK: less DSL coverage, faster speeds
- Rock County, NE: more DSL coverage, slower speeds
- Robertson County, KY: less DSL coverage, faster speeds
- Roberts County, TX: less DSL coverage, faster speeds