In Jefferson County there are 3 residential Fiber providers covering 32.33% of the county. The average home can get speeds up to 2,109 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 Fiber internet providers in Jefferson County, MT.
To see availability maps for all providers including fiber, cable, DSL, and more in Jefferson County, MT please click below.
Jefferson County, MT Availability Maps
Fiber Internet Service Providers in Jefferson 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 Jefferson County are not shown.
Jefferson 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 Jefferson County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 32.33% of Jefferson County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Visionary Broadband. Call one of the companies with service in Jefferson County above to see who has service at your home.
How fast is fiber internet in Jefferson County?
The map below shows maximum fiber internet speeds by area in Jefferson County.
Fiber Internet Speed Key
The average Jefferson County home can get up to 2,109 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 8.96% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 23.37% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Jefferson County.
Fiber internet speeds tend to be faster in the south parts of Jefferson County, and slower in the northeast areas of the county.
Is fiber the fastest internet I can get in Jefferson County?
The fastest internet for you may vary based on where in Jefferson County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 32.33% of Jefferson County homes.
- Cable is fastest for 29.97% of the county.
- DSL is fastest for 4.05%.
- Fixed wireless is fastest for 30.01%.
- Satellite internet may be the only option for 3.63% of Jefferson County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Jefferson County, along with details on where in Jefferson County and at what speeds.
Spectrum Fiber in Jefferson County, MT
Spectrum fiber coverage
About 19.75%, or 2,387 people, have Spectrum fiber internet available to them in the county. The company covers the northeast and north Jefferson County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Jefferson County.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Spectrum goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Jefferson County download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Jefferson County fiber providers. Spectrum 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 Jefferson County is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 407 Mbps.
Show all upload speeds
- 79.9% up to 500.0 Mbps
- 20.1% up to 35.0 Mbps
Visionary Broadband Fiber in Jefferson County, MT
Visionary Broadband fiber coverage
About 8.96%, or 1,083 people, have Visionary Broadband fiber internet available to them in the county. The company covers the south Jefferson County area. Visionary Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
Visionary Broadband fiber download speeds
Visionary Broadband is the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Visionary Broadband fiber is the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Visionary Broadband goes up to 5,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Visionary Broadband fiber upload speeds
In Jefferson County download speeds tend to be equal to than upload speeds for Visionary Broadband fiber. Compared to other ISPs, Visionary Broadband is the fastest where upload speeds are concerned, and the fastest compared to other Jefferson County fiber providers. Visionary Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Montana Internet Fiber in Jefferson County, MT
Montana Internet fiber coverage
About 3.62%, or 437 people, have Montana Internet fiber internet available to them in the county. The company covers the central, northeast, and north Jefferson County area. Montana Internet is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
Montana Internet fiber download speeds
Montana Internet is above average when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Montana Internet fiber is one of the slowest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Montana Internet goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Montana Internet fiber upload speeds
In Jefferson County download speeds tend to be equal to than upload speeds for Montana Internet fiber. Compared to other ISPs, Montana Internet is above average where upload speeds are concerned, and below average compared to other Jefferson County fiber providers. Montana Internet offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Jefferson County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Jefferson County or any of the areas nearby.
How does fiber internet in Jefferson County compare to the rest of Montana?
Fiber internet speeds in Jefferson County are much faster versus the average speeds in Montana: 0.00 Mbps in Montana versus 2,109 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Montana is 0.00% versus 32.33% in Jefferson County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Jefferson County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Broadwater County, MT: less fiber coverage, slower speeds
- Lewis and Clark County, MT: less fiber coverage, faster speeds
- Silver Bow County, MT: more fiber coverage, faster speeds
- Powell County, MT: less fiber coverage, slower speeds
- Deer Lodge County, MT: less fiber coverage, slower speeds
- Meagher County, MT: more fiber coverage, slower speeds
- Granite County, MT: more fiber coverage, slower speeds
- Ravalli County, MT: more fiber coverage, faster speeds
- Wheatland County, MT: more fiber coverage, slower speeds
- Sweet Grass County, MT: more fiber coverage, slower speeds
Counties with Similar Populations
- Deaf Smith County, TX: more fiber coverage, slower speeds
- Emmons County, ND: more fiber coverage, faster speeds
- Ellis County, OK: more fiber coverage, slower speeds
- Edwards County, KS: more fiber coverage, faster speeds
- Edmunds County, SD: more fiber coverage, slower speeds
- Eddy County, ND: more fiber coverage, faster speeds
- Douglas County, SD: more fiber coverage, slower speeds
- Donley County, TX: more fiber coverage, slower speeds
- Dolores County, CO: more fiber coverage, slower speeds
- Doddridge County, WV: more fiber coverage, slower speeds