In Columbia County there are 5 residential Fiber providers covering 41.75% of the county. The average home can get speeds up to 2,407 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 Columbia County, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Columbia County, WI please click below.
Columbia County, WI Availability Maps
Fiber Internet Service Providers in Columbia 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 Columbia County are not shown.
Columbia 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 Columbia County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 41.75% of Columbia County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Columbia County above to see who has service at your home.
How fast is fiber internet in Columbia County?
The map below shows maximum fiber internet speeds by area in Columbia County.
Fiber Internet Speed Key
The average Columbia County home can get up to 2,407 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Columbia County.
Fiber internet speeds tend to be faster in the southwest parts of Columbia County, and slower in the southeast areas of the county.
Is fiber the fastest internet I can get in Columbia County?
The fastest internet for you may vary based on where in Columbia County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 41.67% of Columbia County homes.
- Cable is fastest for 42.09% of the county.
- DSL is fastest for 1.58%.
- Fixed wireless is fastest for 14.26%.
- Satellite internet may be the only option for less than 1% of Columbia County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Columbia County, along with details on where in Columbia County and at what speeds.
Spectrum Fiber in Columbia County, WI
Spectrum fiber coverage
About 24.05%, or 14,064 people, have Spectrum fiber internet available to them in the county. The company covers the entire Columbia 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 Columbia County.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Columbia County. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Columbia County. The fastest plan anyone in Columbia County can order from Spectrum goes up to 1,000 Mbps, and all Columbia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Columbia 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 below average compared to other Columbia County fiber providers. Spectrum offers 3 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 Columbia County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 472 Mbps.
Show all upload speeds
- 4.5% up to 1,000.0 Mbps
- 84.5% up to 500.0 Mbps
- 10.9% up to 35.0 Mbps
Frontier Communications Fiber in Columbia County, WI
Frontier fiber coverage
About 14.12%, or 8,259 people, have Frontier fiber internet available to them in the county. The company covers the northwest, west, north, southwest, and central Columbia County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Columbia County.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Columbia County. Versus other fiber providers in the area, Frontier fiber is the fastest. There are 2 different maximum speeds throughout Columbia County. The fastest plan anyone in Columbia County can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 5,000 Mbps, and the county-wide average maximum speed for Columbia County customers is up to 5,108 Mbps.
Show all download speeds
- 5.4% up to 7,000.0 Mbps
- 94.6% up to 5,000.0 Mbps
Frontier Communications fiber upload speeds
In Columbia County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other Columbia County fiber providers. Frontier 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 Columbia County is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 5,000 Mbps. On average, Frontier customers can get speeds up to 5,108 Mbps.
Show all upload speeds
- 5.4% up to 7,000.0 Mbps
- 94.6% up to 5,000.0 Mbps
Marquette Adams Telephone Cooperative Fiber in Columbia County, WI
Marquette Adams Telephone Cooperative fiber coverage
About 4.27%, or 2,497 people, have Marquette Adams Telephone Cooperative fiber internet available to them in the county. The company covers the northwest, north, and northeast Columbia County area. Marquette Adams Telephone Cooperative is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Columbia County.
Marquette Adams Telephone Cooperative fiber download speeds
Marquette Adams Telephone Cooperative is above average when comparing download speeds to all other internet providers in Columbia County. Versus other fiber providers in the area, Marquette Adams Telephone Cooperative fiber is one of the slowest. There are no different maximum speeds throughout Columbia County. The fastest plan anyone in Columbia County can order from Marquette Adams Telephone Cooperative goes up to 1,000 Mbps, and all Columbia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Marquette Adams Telephone Cooperative fiber upload speeds
In Columbia County download speeds tend to be equal to than upload speeds for Marquette Adams Telephone Cooperative fiber. Compared to other ISPs, Marquette Adams Telephone Cooperative is above average where upload speeds are concerned, and below average compared to other Columbia County fiber providers. Marquette Adams Telephone Cooperative offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Columbia 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
TDS Fiber in Columbia County, WI
TDS fiber coverage
About 1.79%, or 1,046 people, have TDS fiber internet available to them in the county. The company covers the west and southwest Columbia County area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Columbia County.
TDS fiber download speeds
TDS is above average when comparing download speeds to all other internet providers in Columbia County. Versus other fiber providers in the area, TDS fiber is one of the slowest. There are no different maximum speeds throughout Columbia County. The fastest plan anyone in Columbia County can order from TDS goes up to 1,000 Mbps, and all Columbia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TDS fiber upload speeds
In Columbia County download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is above average where upload speeds are concerned, and below average compared to other Columbia County fiber providers. TDS offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Columbia 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
Brightspeed Fiber in Columbia County, WI
Brightspeed fiber coverage
About 1.17%, or 682 people, have Brightspeed fiber internet available to them in the county. The company covers the northeast, southeast, east, and northwest Columbia County area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Columbia County.
Brightspeed fiber download speeds
Brightspeed is above average when comparing download speeds to all other internet providers in Columbia County. Versus other fiber providers in the area, Brightspeed fiber is below average. There are 4 different maximum speeds throughout Columbia County. The fastest plan anyone in Columbia County can order from Brightspeed goes up to 2,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Columbia County customers is up to 1,635 Mbps.
Show all download speeds
- 69.4% up to 2,000.0 Mbps
- 24.0% up to 1,000.0 Mbps
- 0.7% up to 940.0 Mbps
- 5.9% up to 10.0 Mbps
Brightspeed fiber upload speeds
In Columbia County download speeds tend to be faster than than upload speeds for Brightspeed fiber. Compared to other ISPs, Brightspeed is above average where upload speeds are concerned, and above average compared to other Columbia County fiber providers. Brightspeed offers 4 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 Columbia County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Brightspeed customers can get speeds up to 1,635 Mbps.
Show all upload speeds
- 69.4% up to 2,000.0 Mbps
- 24.0% up to 1,000.0 Mbps
- 0.7% up to 940.0 Mbps
- 5.9% up to 1.0 Mbps
Columbia County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Columbia County or any of the areas nearby.
How does fiber internet in Columbia County compare to the rest of Wisconsin?
Fiber internet speeds in Columbia County are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 2,407 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Wisconsin is 0.00% versus 41.75% in Columbia County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Columbia 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
- Sauk County, WI: more fiber coverage, slower speeds
- Dodge County, WI: less fiber coverage, slower speeds
- Richland County, WI: more fiber coverage, faster speeds
- Washington County, WI: less fiber coverage, faster speeds
- Ozaukee County, WI: less fiber coverage, faster speeds
- Howard County, IA: more fiber coverage, faster speeds
- Mitchell County, IA: more fiber coverage, faster speeds
- Newaygo County, MI: more fiber coverage, slower speeds
- Worth County, IA: more fiber coverage, slower speeds
- Winnebago County, IA: more fiber coverage, slower speeds
Counties with Similar Populations
- Effingham County, GA: more fiber coverage, faster speeds
- Somerset County, ME: more fiber coverage, faster speeds
- Queen Anne's County, MD: more fiber coverage, faster speeds
- Jackson County, AL: more fiber coverage, slower speeds
- Henry County, VA: less fiber coverage, slower speeds
- Henry County, IN: more fiber coverage, faster speeds
- Henry County, IL: more fiber coverage, faster speeds
- Hamblen County, TN: more fiber coverage, faster speeds
- Hall County, NE: more fiber coverage, slower speeds
- Grundy County, IL: less fiber coverage, slower speeds